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Finding the Fourth Proportional to 569,720.10, 854,580.15 and 357,143.70

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Solution

The fourth proportional to 569,720.10, 854,580.15 and 357,143.70 is: 535,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,720.10 : 854,580.15 = 357,143.70 : x
  2. Step 2: Convert to fraction form
    569,720.10/854,580.15 = 357,143.70/x
  3. Step 3: Cross multiply
    569,720.10x = 854,580.15 × 357,143.70
  4. Step 4: Simplify right side
    569,720.10x = 305,207,916,717.56
  5. Step 5: Solve for x
    x = 305,207,916,717.56/569,720.10
  6. Step 6: Final answer
    x = 535,715.55

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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.