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Finding the Fourth Proportional to 543,264.70, 814,897.05 and 243,755.05

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Solution

The fourth proportional to 543,264.70, 814,897.05 and 243,755.05 is: 365,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,264.70 : 814,897.05 = 243,755.05 : x
  2. Step 2: Convert to fraction form
    543,264.70/814,897.05 = 243,755.05/x
  3. Step 3: Cross multiply
    543,264.70x = 814,897.05 × 243,755.05
  4. Step 4: Simplify right side
    543,264.70x = 198,635,271,167.60
  5. Step 5: Solve for x
    x = 198,635,271,167.60/543,264.70
  6. Step 6: Final answer
    x = 365,632.58

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.