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Finding the Fourth Proportional to 324,594.88, 447,931.77 and 181,354.92

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Solution

The fourth proportional to 324,594.88, 447,931.77 and 181,354.92 is: 250,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,594.88 : 447,931.77 = 181,354.92 : x
  2. Step 2: Convert to fraction form
    324,594.88/447,931.77 = 181,354.92/x
  3. Step 3: Cross multiply
    324,594.88x = 447,931.77 × 181,354.92
  4. Step 4: Simplify right side
    324,594.88x = 81,234,632,753.53
  5. Step 5: Solve for x
    x = 81,234,632,753.53/324,594.88
  6. Step 6: Final answer
    x = 250,264.68

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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.