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Finding the Fourth Proportional to 557,600.92, 769,554.86 and 331,246.42

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Solution

The fourth proportional to 557,600.92, 769,554.86 and 331,246.42 is: 457,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,600.92 : 769,554.86 = 331,246.42 : x
  2. Step 2: Convert to fraction form
    557,600.92/769,554.86 = 331,246.42/x
  3. Step 3: Cross multiply
    557,600.92x = 769,554.86 × 331,246.42
  4. Step 4: Simplify right side
    557,600.92x = 254,912,288,788.48
  5. Step 5: Solve for x
    x = 254,912,288,788.48/557,600.92
  6. Step 6: Final answer
    x = 457,159.02

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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.