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Finding the Fourth Proportional to 555,753.04, 766,977.62 and 338,046.81

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Solution

The fourth proportional to 555,753.04, 766,977.62 and 338,046.81 is: 466,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,753.04 : 766,977.62 = 338,046.81 : x
  2. Step 2: Convert to fraction form
    555,753.04/766,977.62 = 338,046.81/x
  3. Step 3: Cross multiply
    555,753.04x = 766,977.62 × 338,046.81
  4. Step 4: Simplify right side
    555,753.04x = 259,274,337,782.39
  5. Step 5: Solve for x
    x = 259,274,337,782.39/555,753.04
  6. Step 6: Final answer
    x = 466,527.97

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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.