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Finding the Fourth Proportional to 302,602.89, 453,479.52 and 239,144.04

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Solution

The fourth proportional to 302,602.89, 453,479.52 and 239,144.04 is: 358,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,602.89 : 453,479.52 = 239,144.04 : x
  2. Step 2: Convert to fraction form
    302,602.89/453,479.52 = 239,144.04/x
  3. Step 3: Cross multiply
    302,602.89x = 453,479.52 × 239,144.04
  4. Step 4: Simplify right side
    302,602.89x = 108,446,924,470.06
  5. Step 5: Solve for x
    x = 108,446,924,470.06/302,602.89
  6. Step 6: Final answer
    x = 358,380.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.