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Finding the Fourth Proportional to 569,430.30, 854,145.45 and 359,996.70

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Solution

The fourth proportional to 569,430.30, 854,145.45 and 359,996.70 is: 539,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,430.30 : 854,145.45 = 359,996.70 : x
  2. Step 2: Convert to fraction form
    569,430.30/854,145.45 = 359,996.70/x
  3. Step 3: Cross multiply
    569,430.30x = 854,145.45 × 359,996.70
  4. Step 4: Simplify right side
    569,430.30x = 307,489,543,320.02
  5. Step 5: Solve for x
    x = 307,489,543,320.02/569,430.30
  6. Step 6: Final answer
    x = 539,995.05

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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.