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Finding the Fourth Proportional to 569,717.10, 854,575.65 and 357,140.70

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Solution

The fourth proportional to 569,717.10, 854,575.65 and 357,140.70 is: 535,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,717.10 : 854,575.65 = 357,140.70 : x
  2. Step 2: Convert to fraction form
    569,717.10/854,575.65 = 357,140.70/x
  3. Step 3: Cross multiply
    569,717.10x = 854,575.65 × 357,140.70
  4. Step 4: Simplify right side
    569,717.10x = 305,203,745,843.96
  5. Step 5: Solve for x
    x = 305,203,745,843.96/569,717.10
  6. Step 6: Final answer
    x = 535,711.05

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Similar ratio
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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.