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Finding the Fourth Proportional to 526,450.88, 726,502.33 and 297,056.86

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Solution

The fourth proportional to 526,450.88, 726,502.33 and 297,056.86 is: 409,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,450.88 : 726,502.33 = 297,056.86 : x
  2. Step 2: Convert to fraction form
    526,450.88/726,502.33 = 297,056.86/x
  3. Step 3: Cross multiply
    526,450.88x = 726,502.33 × 297,056.86
  4. Step 4: Simplify right side
    526,450.88x = 215,812,499,487.55
  5. Step 5: Solve for x
    x = 215,812,499,487.55/526,450.88
  6. Step 6: Final answer
    x = 409,938.53

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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.