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Finding the Fourth Proportional to 372,451.68, 558,730.04 and 119,647.40

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Solution

The fourth proportional to 372,451.68, 558,730.04 and 119,647.40 is: 179,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,451.68 : 558,730.04 = 119,647.40 : x
  2. Step 2: Convert to fraction form
    372,451.68/558,730.04 = 119,647.40/x
  3. Step 3: Cross multiply
    372,451.68x = 558,730.04 × 119,647.40
  4. Step 4: Simplify right side
    372,451.68x = 66,850,593,196.01
  5. Step 5: Solve for x
    x = 66,850,593,196.01/372,451.68
  6. Step 6: Final answer
    x = 179,487.96

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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.