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Finding the Fourth Proportional to 417,038.80, 625,558.26 and 101,495.71

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Solution

The fourth proportional to 417,038.80, 625,558.26 and 101,495.71 is: 152,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,038.80 : 625,558.26 = 101,495.71 : x
  2. Step 2: Convert to fraction form
    417,038.80/625,558.26 = 101,495.71/x
  3. Step 3: Cross multiply
    417,038.80x = 625,558.26 × 101,495.71
  4. Step 4: Simplify right side
    417,038.80x = 63,491,479,745.06
  5. Step 5: Solve for x
    x = 63,491,479,745.06/417,038.80
  6. Step 6: Final answer
    x = 152,243.58

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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.