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Finding the Fourth Proportional to 616,162.08, 924,179.28 and 417,756.96

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Solution

The fourth proportional to 616,162.08, 924,179.28 and 417,756.96 is: 626,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,162.08 : 924,179.28 = 417,756.96 : x
  2. Step 2: Convert to fraction form
    616,162.08/924,179.28 = 417,756.96/x
  3. Step 3: Cross multiply
    616,162.08x = 924,179.28 × 417,756.96
  4. Step 4: Simplify right side
    616,162.08x = 386,082,326,507.79
  5. Step 5: Solve for x
    x = 386,082,326,507.79/616,162.08
  6. Step 6: Final answer
    x = 626,592.16

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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.