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Finding the Fourth Proportional to 372,441.73, 558,715.13 and 119,637.47

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Solution

The fourth proportional to 372,441.73, 558,715.13 and 119,637.47 is: 179,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,441.73 : 558,715.13 = 119,637.47 : x
  2. Step 2: Convert to fraction form
    372,441.73/558,715.13 = 119,637.47/x
  3. Step 3: Cross multiply
    372,441.73x = 558,715.13 × 119,637.47
  4. Step 4: Simplify right side
    372,441.73x = 66,843,265,851.16
  5. Step 5: Solve for x
    x = 66,843,265,851.16/372,441.73
  6. Step 6: Final answer
    x = 179,473.09

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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.