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Finding the Fourth Proportional to 374,296.52, 561,480.20 and 104,442.56

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Solution

The fourth proportional to 374,296.52, 561,480.20 and 104,442.56 is: 156,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,296.52 : 561,480.20 = 104,442.56 : x
  2. Step 2: Convert to fraction form
    374,296.52/561,480.20 = 104,442.56/x
  3. Step 3: Cross multiply
    374,296.52x = 561,480.20 × 104,442.56
  4. Step 4: Simplify right side
    374,296.52x = 58,642,429,477.31
  5. Step 5: Solve for x
    x = 58,642,429,477.31/374,296.52
  6. Step 6: Final answer
    x = 156,673.72

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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.