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Finding the Fourth Proportional to 324,337.60, 447,581.76 and 181,100.16

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Solution

The fourth proportional to 324,337.60, 447,581.76 and 181,100.16 is: 249,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,337.60 : 447,581.76 = 181,100.16 : x
  2. Step 2: Convert to fraction form
    324,337.60/447,581.76 = 181,100.16/x
  3. Step 3: Cross multiply
    324,337.60x = 447,581.76 × 181,100.16
  4. Step 4: Simplify right side
    324,337.60x = 81,057,128,349.08
  5. Step 5: Solve for x
    x = 81,057,128,349.08/324,337.60
  6. Step 6: Final answer
    x = 249,915.92

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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.