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Finding the Fourth Proportional to 616,139.92, 924,339.52 and 350,023.60

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Solution

The fourth proportional to 616,139.92, 924,339.52 and 350,023.60 is: 525,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,139.92 : 924,339.52 = 350,023.60 : x
  2. Step 2: Convert to fraction form
    616,139.92/924,339.52 = 350,023.60/x
  3. Step 3: Cross multiply
    616,139.92x = 924,339.52 × 350,023.60
  4. Step 4: Simplify right side
    616,139.92x = 323,540,646,412.67
  5. Step 5: Solve for x
    x = 323,540,646,412.67/616,139.92
  6. Step 6: Final answer
    x = 525,109.05

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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.