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Finding the Fourth Proportional to 372,194.48, 558,521.36 and 172,477.64

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Solution

The fourth proportional to 372,194.48, 558,521.36 and 172,477.64 is: 258,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,194.48 : 558,521.36 = 172,477.64 : x
  2. Step 2: Convert to fraction form
    372,194.48/558,521.36 = 172,477.64/x
  3. Step 3: Cross multiply
    372,194.48x = 558,521.36 × 172,477.64
  4. Step 4: Simplify right side
    372,194.48x = 96,332,445,200.00
  5. Step 5: Solve for x
    x = 96,332,445,200.00/372,194.48
  6. Step 6: Final answer
    x = 258,822.87

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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.