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Finding the Fourth Proportional to 616,246.20, 924,356.93 and 279,224.04

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Solution

The fourth proportional to 616,246.20, 924,356.93 and 279,224.04 is: 418,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,246.20 : 924,356.93 = 279,224.04 : x
  2. Step 2: Convert to fraction form
    616,246.20/924,356.93 = 279,224.04/x
  3. Step 3: Cross multiply
    616,246.20x = 924,356.93 × 279,224.04
  4. Step 4: Simplify right side
    616,246.20x = 258,102,676,396.60
  5. Step 5: Solve for x
    x = 258,102,676,396.60/616,246.20
  6. Step 6: Final answer
    x = 418,830.46

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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.