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Finding the Fourth Proportional to 417,077.48, 625,653.12 and 117,560.72

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Solution

The fourth proportional to 417,077.48, 625,653.12 and 117,560.72 is: 176,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,077.48 : 625,653.12 = 117,560.72 : x
  2. Step 2: Convert to fraction form
    417,077.48/625,653.12 = 117,560.72/x
  3. Step 3: Cross multiply
    417,077.48x = 625,653.12 × 117,560.72
  4. Step 4: Simplify right side
    417,077.48x = 73,552,231,257.45
  5. Step 5: Solve for x
    x = 73,552,231,257.45/417,077.48
  6. Step 6: Final answer
    x = 176,351.48

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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.