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Finding the Fourth Proportional to 616,322.80, 924,484.20 and 521,844.40

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Solution

The fourth proportional to 616,322.80, 924,484.20 and 521,844.40 is: 782,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,322.80 : 924,484.20 = 521,844.40 : x
  2. Step 2: Convert to fraction form
    616,322.80/924,484.20 = 521,844.40/x
  3. Step 3: Cross multiply
    616,322.80x = 924,484.20 × 521,844.40
  4. Step 4: Simplify right side
    616,322.80x = 482,436,902,658.48
  5. Step 5: Solve for x
    x = 482,436,902,658.48/616,322.80
  6. Step 6: Final answer
    x = 782,766.60

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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.