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Finding the Fourth Proportional to 298,419.27, 447,752.03 and 120,881.04

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Solution

The fourth proportional to 298,419.27, 447,752.03 and 120,881.04 is: 181,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,419.27 : 447,752.03 = 120,881.04 : x
  2. Step 2: Convert to fraction form
    298,419.27/447,752.03 = 120,881.04/x
  3. Step 3: Cross multiply
    298,419.27x = 447,752.03 × 120,881.04
  4. Step 4: Simplify right side
    298,419.27x = 54,124,730,444.11
  5. Step 5: Solve for x
    x = 54,124,730,444.11/298,419.27
  6. Step 6: Final answer
    x = 181,371.43

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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.