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Finding the Fourth Proportional to 416,977.88, 575,432.32 and 225,994.46

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Solution

The fourth proportional to 416,977.88, 575,432.32 and 225,994.46 is: 311,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,977.88 : 575,432.32 = 225,994.46 : x
  2. Step 2: Convert to fraction form
    416,977.88/575,432.32 = 225,994.46/x
  3. Step 3: Cross multiply
    416,977.88x = 575,432.32 × 225,994.46
  4. Step 4: Simplify right side
    416,977.88x = 130,044,516,424.95
  5. Step 5: Solve for x
    x = 130,044,516,424.95/416,977.88
  6. Step 6: Final answer
    x = 311,873.90

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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.