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Finding the Fourth Proportional to 374,291.62, 561,598.27 and 121,649.52

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Solution

The fourth proportional to 374,291.62, 561,598.27 and 121,649.52 is: 182,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,291.62 : 561,598.27 = 121,649.52 : x
  2. Step 2: Convert to fraction form
    374,291.62/561,598.27 = 121,649.52/x
  3. Step 3: Cross multiply
    374,291.62x = 561,598.27 × 121,649.52
  4. Step 4: Simplify right side
    374,291.62x = 68,318,161,780.20
  5. Step 5: Solve for x
    x = 68,318,161,780.20/374,291.62
  6. Step 6: Final answer
    x = 182,526.56

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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.