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Finding the Fourth Proportional to 360,001.10, 540,001.65 and 149,789.90

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Solution

The fourth proportional to 360,001.10, 540,001.65 and 149,789.90 is: 224,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,001.10 : 540,001.65 = 149,789.90 : x
  2. Step 2: Convert to fraction form
    360,001.10/540,001.65 = 149,789.90/x
  3. Step 3: Cross multiply
    360,001.10x = 540,001.65 × 149,789.90
  4. Step 4: Simplify right side
    360,001.10x = 80,886,793,153.34
  5. Step 5: Solve for x
    x = 80,886,793,153.34/360,001.10
  6. Step 6: Final answer
    x = 224,684.85

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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.