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Finding the Fourth Proportional to 616,063.60, 924,233.10 and 216,717.40

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Solution

The fourth proportional to 616,063.60, 924,233.10 and 216,717.40 is: 325,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,063.60 : 924,233.10 = 216,717.40 : x
  2. Step 2: Convert to fraction form
    616,063.60/924,233.10 = 216,717.40/x
  3. Step 3: Cross multiply
    616,063.60x = 924,233.10 × 216,717.40
  4. Step 4: Simplify right side
    616,063.60x = 200,297,394,425.94
  5. Step 5: Solve for x
    x = 200,297,394,425.94/616,063.60
  6. Step 6: Final answer
    x = 325,124.54

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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.