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Finding the Fourth Proportional to 637,203.60, 955,848.60 and 216,511.20

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Solution

The fourth proportional to 637,203.60, 955,848.60 and 216,511.20 is: 324,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,203.60 : 955,848.60 = 216,511.20 : x
  2. Step 2: Convert to fraction form
    637,203.60/955,848.60 = 216,511.20/x
  3. Step 3: Cross multiply
    637,203.60x = 955,848.60 × 216,511.20
  4. Step 4: Simplify right side
    637,203.60x = 206,951,927,404.32
  5. Step 5: Solve for x
    x = 206,951,927,404.32/637,203.60
  6. Step 6: Final answer
    x = 324,781.48

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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.