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Finding the Fourth Proportional to 372,697.02, 558,608.13 and 195,287.58

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Solution

The fourth proportional to 372,697.02, 558,608.13 and 195,287.58 is: 292,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,697.02 : 558,608.13 = 195,287.58 : x
  2. Step 2: Convert to fraction form
    372,697.02/558,608.13 = 195,287.58/x
  3. Step 3: Cross multiply
    372,697.02x = 558,608.13 × 195,287.58
  4. Step 4: Simplify right side
    372,697.02x = 109,089,229,876.03
  5. Step 5: Solve for x
    x = 109,089,229,876.03/372,697.02
  6. Step 6: Final answer
    x = 292,702.18

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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.