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Finding the Fourth Proportional to 372,504.49, 558,552.61 and 147,637.15

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Solution

The fourth proportional to 372,504.49, 558,552.61 and 147,637.15 is: 221,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,504.49 : 558,552.61 = 147,637.15 : x
  2. Step 2: Convert to fraction form
    372,504.49/558,552.61 = 147,637.15/x
  3. Step 3: Cross multiply
    372,504.49x = 558,552.61 × 147,637.15
  4. Step 4: Simplify right side
    372,504.49x = 82,463,114,253.63
  5. Step 5: Solve for x
    x = 82,463,114,253.63/372,504.49
  6. Step 6: Final answer
    x = 221,374.82

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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.