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Finding the Fourth Proportional to 373,801.32, 515,851.20 and 204,031.80

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Solution

The fourth proportional to 373,801.32, 515,851.20 and 204,031.80 is: 281,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,801.32 : 515,851.20 = 204,031.80 : x
  2. Step 2: Convert to fraction form
    373,801.32/515,851.20 = 204,031.80/x
  3. Step 3: Cross multiply
    373,801.32x = 515,851.20 × 204,031.80
  4. Step 4: Simplify right side
    373,801.32x = 105,250,048,868.16
  5. Step 5: Solve for x
    x = 105,250,048,868.16/373,801.32
  6. Step 6: Final answer
    x = 281,566.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.