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Finding the Fourth Proportional to 296,902.62, 445,347.69 and 72,264.32

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Solution

The fourth proportional to 296,902.62, 445,347.69 and 72,264.32 is: 108,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,902.62 : 445,347.69 = 72,264.32 : x
  2. Step 2: Convert to fraction form
    296,902.62/445,347.69 = 72,264.32/x
  3. Step 3: Cross multiply
    296,902.62x = 445,347.69 × 72,264.32
  4. Step 4: Simplify right side
    296,902.62x = 32,182,745,754.68
  5. Step 5: Solve for x
    x = 32,182,745,754.68/296,902.62
  6. Step 6: Final answer
    x = 108,394.95

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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.