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Finding the Fourth Proportional to 416,262.68, 574,442.46 and 225,276.11

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Solution

The fourth proportional to 416,262.68, 574,442.46 and 225,276.11 is: 310,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,262.68 : 574,442.46 = 225,276.11 : x
  2. Step 2: Convert to fraction form
    416,262.68/574,442.46 = 225,276.11/x
  3. Step 3: Cross multiply
    416,262.68x = 574,442.46 × 225,276.11
  4. Step 4: Simplify right side
    416,262.68x = 129,408,162,807.63
  5. Step 5: Solve for x
    x = 129,408,162,807.63/416,262.68
  6. Step 6: Final answer
    x = 310,881.01

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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.