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Finding the Fourth Proportional to 569,715.10, 854,572.65 and 357,138.70

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Solution

The fourth proportional to 569,715.10, 854,572.65 and 357,138.70 is: 535,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,715.10 : 854,572.65 = 357,138.70 : x
  2. Step 2: Convert to fraction form
    569,715.10/854,572.65 = 357,138.70/x
  3. Step 3: Cross multiply
    569,715.10x = 854,572.65 × 357,138.70
  4. Step 4: Simplify right side
    569,715.10x = 305,200,965,276.56
  5. Step 5: Solve for x
    x = 305,200,965,276.56/569,715.10
  6. Step 6: Final answer
    x = 535,708.05

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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.