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Finding the Fourth Proportional to 372,597.88, 557,180 and 276,716.14

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Solution

The fourth proportional to 372,597.88, 557,180 and 276,716.14 is: 413,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,597.88 : 557,180 = 276,716.14 : x
  2. Step 2: Convert to fraction form
    372,597.88/557,180 = 276,716.14/x
  3. Step 3: Cross multiply
    372,597.88x = 557,180 × 276,716.14
  4. Step 4: Simplify right side
    372,597.88x = 154,180,698,885.20
  5. Step 5: Solve for x
    x = 154,180,698,885.20/372,597.88
  6. Step 6: Final answer
    x = 413,799.18

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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.