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Finding the Fourth Proportional to 616,006.80, 924,701.40 and 476,384.40

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Solution

The fourth proportional to 616,006.80, 924,701.40 and 476,384.40 is: 715,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,006.80 : 924,701.40 = 476,384.40 : x
  2. Step 2: Convert to fraction form
    616,006.80/924,701.40 = 476,384.40/x
  3. Step 3: Cross multiply
    616,006.80x = 924,701.40 × 476,384.40
  4. Step 4: Simplify right side
    616,006.80x = 440,513,321,618.16
  5. Step 5: Solve for x
    x = 440,513,321,618.16/616,006.80
  6. Step 6: Final answer
    x = 715,111.13

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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.