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Finding the Fourth Proportional to 625,469.90, 938,263.26 and 176,190.02

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Solution

The fourth proportional to 625,469.90, 938,263.26 and 176,190.02 is: 264,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,469.90 : 938,263.26 = 176,190.02 : x
  2. Step 2: Convert to fraction form
    625,469.90/938,263.26 = 176,190.02/x
  3. Step 3: Cross multiply
    625,469.90x = 938,263.26 × 176,190.02
  4. Step 4: Simplify right side
    625,469.90x = 165,312,622,544.67
  5. Step 5: Solve for x
    x = 165,312,622,544.67/625,469.90
  6. Step 6: Final answer
    x = 264,301.48

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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.