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Finding the Fourth Proportional to 448,691.04, 619,183.80 and 247,487.04

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Solution

The fourth proportional to 448,691.04, 619,183.80 and 247,487.04 is: 341,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,691.04 : 619,183.80 = 247,487.04 : x
  2. Step 2: Convert to fraction form
    448,691.04/619,183.80 = 247,487.04/x
  3. Step 3: Cross multiply
    448,691.04x = 619,183.80 × 247,487.04
  4. Step 4: Simplify right side
    448,691.04x = 153,239,965,877.95
  5. Step 5: Solve for x
    x = 153,239,965,877.95/448,691.04
  6. Step 6: Final answer
    x = 341,526.69

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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.