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Finding the Fourth Proportional to 616,168.80, 924,253.20 and 413,215.20

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Solution

The fourth proportional to 616,168.80, 924,253.20 and 413,215.20 is: 619,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,168.80 : 924,253.20 = 413,215.20 : x
  2. Step 2: Convert to fraction form
    616,168.80/924,253.20 = 413,215.20/x
  3. Step 3: Cross multiply
    616,168.80x = 924,253.20 × 413,215.20
  4. Step 4: Simplify right side
    616,168.80x = 381,915,470,888.64
  5. Step 5: Solve for x
    x = 381,915,470,888.64/616,168.80
  6. Step 6: Final answer
    x = 619,822.80

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1.5x scale

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.