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Finding the Fourth Proportional to 892,654.68, 1,231,252 and 570,221.56

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Solution

The fourth proportional to 892,654.68, 1,231,252 and 570,221.56 is: 786,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,654.68 : 1,231,252 = 570,221.56 : x
  2. Step 2: Convert to fraction form
    892,654.68/1,231,252 = 570,221.56/x
  3. Step 3: Cross multiply
    892,654.68x = 1,231,252 × 570,221.56
  4. Step 4: Simplify right side
    892,654.68x = 702,086,436,193.12
  5. Step 5: Solve for x
    x = 702,086,436,193.12/892,654.68
  6. Step 6: Final answer
    x = 786,515.16

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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.