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Finding the Fourth Proportional to 616,233.70, 924,350.55 and 216,871.30

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Solution

The fourth proportional to 616,233.70, 924,350.55 and 216,871.30 is: 325,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,233.70 : 924,350.55 = 216,871.30 : x
  2. Step 2: Convert to fraction form
    616,233.70/924,350.55 = 216,871.30/x
  3. Step 3: Cross multiply
    616,233.70x = 924,350.55 × 216,871.30
  4. Step 4: Simplify right side
    616,233.70x = 200,465,105,434.22
  5. Step 5: Solve for x
    x = 200,465,105,434.22/616,233.70
  6. Step 6: Final answer
    x = 325,306.95

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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.