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Finding the Fourth Proportional to 616,233.40, 924,350.10 and 378,806.20

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Solution

The fourth proportional to 616,233.40, 924,350.10 and 378,806.20 is: 568,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,233.40 : 924,350.10 = 378,806.20 : x
  2. Step 2: Convert to fraction form
    616,233.40/924,350.10 = 378,806.20/x
  3. Step 3: Cross multiply
    616,233.40x = 924,350.10 × 378,806.20
  4. Step 4: Simplify right side
    616,233.40x = 350,149,548,850.62
  5. Step 5: Solve for x
    x = 350,149,548,850.62/616,233.40
  6. Step 6: Final answer
    x = 568,209.30

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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.