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Finding the Fourth Proportional to 324,445.96, 447,691.19 and 181,187.74

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Solution

The fourth proportional to 324,445.96, 447,691.19 and 181,187.74 is: 250,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,445.96 : 447,691.19 = 181,187.74 : x
  2. Step 2: Convert to fraction form
    324,445.96/447,691.19 = 181,187.74/x
  3. Step 3: Cross multiply
    324,445.96x = 447,691.19 × 181,187.74
  4. Step 4: Simplify right side
    324,445.96x = 81,116,154,934.01
  5. Step 5: Solve for x
    x = 81,116,154,934.01/324,445.96
  6. Step 6: Final answer
    x = 250,014.38

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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.