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Finding the Fourth Proportional to 526,445.73, 726,502.08 and 297,002.25

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Solution

The fourth proportional to 526,445.73, 726,502.08 and 297,002.25 is: 409,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,445.73 : 726,502.08 = 297,002.25 : x
  2. Step 2: Convert to fraction form
    526,445.73/726,502.08 = 297,002.25/x
  3. Step 3: Cross multiply
    526,445.73x = 726,502.08 × 297,002.25
  4. Step 4: Simplify right side
    526,445.73x = 215,772,752,389.68
  5. Step 5: Solve for x
    x = 215,772,752,389.68/526,445.73
  6. Step 6: Final answer
    x = 409,867.04

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.