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Finding the Fourth Proportional to 658,481.28, 988,006.56 and 232,321.26

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Solution

The fourth proportional to 658,481.28, 988,006.56 and 232,321.26 is: 348,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,481.28 : 988,006.56 = 232,321.26 : x
  2. Step 2: Convert to fraction form
    658,481.28/988,006.56 = 232,321.26/x
  3. Step 3: Cross multiply
    658,481.28x = 988,006.56 × 232,321.26
  4. Step 4: Simplify right side
    658,481.28x = 229,534,928,907.47
  5. Step 5: Solve for x
    x = 229,534,928,907.47/658,481.28
  6. Step 6: Final answer
    x = 348,582.31

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Double scale
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Similar ratio
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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.