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Finding the Fourth Proportional to 374,460.90, 561,691.35 and 232,743.30

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Solution

The fourth proportional to 374,460.90, 561,691.35 and 232,743.30 is: 349,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,460.90 : 561,691.35 = 232,743.30 : x
  2. Step 2: Convert to fraction form
    374,460.90/561,691.35 = 232,743.30/x
  3. Step 3: Cross multiply
    374,460.90x = 561,691.35 × 232,743.30
  4. Step 4: Simplify right side
    374,460.90x = 130,729,898,380.46
  5. Step 5: Solve for x
    x = 130,729,898,380.46/374,460.90
  6. Step 6: Final answer
    x = 349,114.95

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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.