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Finding the Fourth Proportional to 616,127.52, 850,246.56 and 344,199.36

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Solution

The fourth proportional to 616,127.52, 850,246.56 and 344,199.36 is: 474,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,127.52 : 850,246.56 = 344,199.36 : x
  2. Step 2: Convert to fraction form
    616,127.52/850,246.56 = 344,199.36/x
  3. Step 3: Cross multiply
    616,127.52x = 850,246.56 × 344,199.36
  4. Step 4: Simplify right side
    616,127.52x = 292,654,321,794.20
  5. Step 5: Solve for x
    x = 292,654,321,794.20/616,127.52
  6. Step 6: Final answer
    x = 474,989.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.