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Finding the Fourth Proportional to 526,335.96, 726,301.72 and 296,819.64

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Solution

The fourth proportional to 526,335.96, 726,301.72 and 296,819.64 is: 409,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,335.96 : 726,301.72 = 296,819.64 : x
  2. Step 2: Convert to fraction form
    526,335.96/726,301.72 = 296,819.64/x
  3. Step 3: Cross multiply
    526,335.96x = 726,301.72 × 296,819.64
  4. Step 4: Simplify right side
    526,335.96x = 215,580,615,061.78
  5. Step 5: Solve for x
    x = 215,580,615,061.78/526,335.96
  6. Step 6: Final answer
    x = 409,587.47

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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.