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Finding the Fourth Proportional to 318,468.92, 439,490.41 and 182,499.89

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Solution

The fourth proportional to 318,468.92, 439,490.41 and 182,499.89 is: 251,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,468.92 : 439,490.41 = 182,499.89 : x
  2. Step 2: Convert to fraction form
    318,468.92/439,490.41 = 182,499.89/x
  3. Step 3: Cross multiply
    318,468.92x = 439,490.41 × 182,499.89
  4. Step 4: Simplify right side
    318,468.92x = 80,206,948,827.35
  5. Step 5: Solve for x
    x = 80,206,948,827.35/318,468.92
  6. Step 6: Final answer
    x = 251,851.74

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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.