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Finding the Fourth Proportional to 417,042.66, 625,563.84 and 360,715.32

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Solution

The fourth proportional to 417,042.66, 625,563.84 and 360,715.32 is: 541,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,042.66 : 625,563.84 = 360,715.32 : x
  2. Step 2: Convert to fraction form
    417,042.66/625,563.84 = 360,715.32/x
  3. Step 3: Cross multiply
    417,042.66x = 625,563.84 × 360,715.32
  4. Step 4: Simplify right side
    417,042.66x = 225,650,460,726.03
  5. Step 5: Solve for x
    x = 225,650,460,726.03/417,042.66
  6. Step 6: Final answer
    x = 541,072.85

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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.