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Finding the Fourth Proportional to 583,630.10, 875,445.15 and 162,905.30

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Solution

The fourth proportional to 583,630.10, 875,445.15 and 162,905.30 is: 244,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,630.10 : 875,445.15 = 162,905.30 : x
  2. Step 2: Convert to fraction form
    583,630.10/875,445.15 = 162,905.30/x
  3. Step 3: Cross multiply
    583,630.10x = 875,445.15 × 162,905.30
  4. Step 4: Simplify right side
    583,630.10x = 142,614,654,794.30
  5. Step 5: Solve for x
    x = 142,614,654,794.30/583,630.10
  6. Step 6: Final answer
    x = 244,357.95

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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.