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Finding the Fourth Proportional to 625,340.54, 938,066.16 and 176,065.26

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Solution

The fourth proportional to 625,340.54, 938,066.16 and 176,065.26 is: 264,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,340.54 : 938,066.16 = 176,065.26 : x
  2. Step 2: Convert to fraction form
    625,340.54/938,066.16 = 176,065.26/x
  3. Step 3: Cross multiply
    625,340.54x = 938,066.16 × 176,065.26
  4. Step 4: Simplify right side
    625,340.54x = 165,160,862,357.60
  5. Step 5: Solve for x
    x = 165,160,862,357.60/625,340.54
  6. Step 6: Final answer
    x = 264,113.48

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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.