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Finding the Fourth Proportional to 417,076.48, 625,651.62 and 117,559.72

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Solution

The fourth proportional to 417,076.48, 625,651.62 and 117,559.72 is: 176,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,076.48 : 625,651.62 = 117,559.72 : x
  2. Step 2: Convert to fraction form
    417,076.48/625,651.62 = 117,559.72/x
  3. Step 3: Cross multiply
    417,076.48x = 625,651.62 × 117,559.72
  4. Step 4: Simplify right side
    417,076.48x = 73,551,429,264.75
  5. Step 5: Solve for x
    x = 73,551,429,264.75/417,076.48
  6. Step 6: Final answer
    x = 176,349.98

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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.