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Finding the Fourth Proportional to 625,971.36, 938,940.60 and 176,723.28

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Solution

The fourth proportional to 625,971.36, 938,940.60 and 176,723.28 is: 265,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,971.36 : 938,940.60 = 176,723.28 : x
  2. Step 2: Convert to fraction form
    625,971.36/938,940.60 = 176,723.28/x
  3. Step 3: Cross multiply
    625,971.36x = 938,940.60 × 176,723.28
  4. Step 4: Simplify right side
    625,971.36x = 165,932,662,557.17
  5. Step 5: Solve for x
    x = 165,932,662,557.17/625,971.36
  6. Step 6: Final answer
    x = 265,080.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.