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Finding the Fourth Proportional to 404,337.92, 558,165.68 and 261,167.79

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Solution

The fourth proportional to 404,337.92, 558,165.68 and 261,167.79 is: 360,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,337.92 : 558,165.68 = 261,167.79 : x
  2. Step 2: Convert to fraction form
    404,337.92/558,165.68 = 261,167.79/x
  3. Step 3: Cross multiply
    404,337.92x = 558,165.68 × 261,167.79
  4. Step 4: Simplify right side
    404,337.92x = 145,774,895,793.61
  5. Step 5: Solve for x
    x = 145,774,895,793.61/404,337.92
  6. Step 6: Final answer
    x = 360,527.40

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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.