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Finding the Fourth Proportional to 510,801.92, 766,202.88 and 178,370.56

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Solution

The fourth proportional to 510,801.92, 766,202.88 and 178,370.56 is: 267,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,801.92 : 766,202.88 = 178,370.56 : x
  2. Step 2: Convert to fraction form
    510,801.92/766,202.88 = 178,370.56/x
  3. Step 3: Cross multiply
    510,801.92x = 766,202.88 × 178,370.56
  4. Step 4: Simplify right side
    510,801.92x = 136,668,036,779.21
  5. Step 5: Solve for x
    x = 136,668,036,779.21/510,801.92
  6. Step 6: Final answer
    x = 267,555.84

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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.