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Finding the Fourth Proportional to 488,240.56, 732,430.15 and 151,307.70

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Solution

The fourth proportional to 488,240.56, 732,430.15 and 151,307.70 is: 226,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,240.56 : 732,430.15 = 151,307.70 : x
  2. Step 2: Convert to fraction form
    488,240.56/732,430.15 = 151,307.70/x
  3. Step 3: Cross multiply
    488,240.56x = 732,430.15 × 151,307.70
  4. Step 4: Simplify right side
    488,240.56x = 110,822,318,282.27
  5. Step 5: Solve for x
    x = 110,822,318,282.27/488,240.56
  6. Step 6: Final answer
    x = 226,983.02

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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.