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Finding the Fourth Proportional to 543,206.70, 814,810.05 and 532,709.10

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Solution

The fourth proportional to 543,206.70, 814,810.05 and 532,709.10 is: 799,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,206.70 : 814,810.05 = 532,709.10 : x
  2. Step 2: Convert to fraction form
    543,206.70/814,810.05 = 532,709.10/x
  3. Step 3: Cross multiply
    543,206.70x = 814,810.05 × 532,709.10
  4. Step 4: Simplify right side
    543,206.70x = 434,056,728,406.46
  5. Step 5: Solve for x
    x = 434,056,728,406.46/543,206.70
  6. Step 6: Final answer
    x = 799,063.65

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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.