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Finding the Fourth Proportional to 372,585.42, 558,564.66 and 162,064.80

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Solution

The fourth proportional to 372,585.42, 558,564.66 and 162,064.80 is: 242,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,585.42 : 558,564.66 = 162,064.80 : x
  2. Step 2: Convert to fraction form
    372,585.42/558,564.66 = 162,064.80/x
  3. Step 3: Cross multiply
    372,585.42x = 558,564.66 × 162,064.80
  4. Step 4: Simplify right side
    372,585.42x = 90,523,669,909.97
  5. Step 5: Solve for x
    x = 90,523,669,909.97/372,585.42
  6. Step 6: Final answer
    x = 242,960.85

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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.