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Finding the Fourth Proportional to 372,390.30, 558,816.30 and 195,024.60

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Solution

The fourth proportional to 372,390.30, 558,816.30 and 195,024.60 is: 292,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,390.30 : 558,816.30 = 195,024.60 : x
  2. Step 2: Convert to fraction form
    372,390.30/558,816.30 = 195,024.60/x
  3. Step 3: Cross multiply
    372,390.30x = 558,816.30 × 195,024.60
  4. Step 4: Simplify right side
    372,390.30x = 108,982,925,380.98
  5. Step 5: Solve for x
    x = 108,982,925,380.98/372,390.30
  6. Step 6: Final answer
    x = 292,657.80

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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.