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Finding the Fourth Proportional to 625,334.81, 938,012.52 and 176,066.48

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Solution

The fourth proportional to 625,334.81, 938,012.52 and 176,066.48 is: 264,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,334.81 : 938,012.52 = 176,066.48 : x
  2. Step 2: Convert to fraction form
    625,334.81/938,012.52 = 176,066.48/x
  3. Step 3: Cross multiply
    625,334.81x = 938,012.52 × 176,066.48
  4. Step 4: Simplify right side
    625,334.81x = 165,152,557,902.27
  5. Step 5: Solve for x
    x = 165,152,557,902.27/625,334.81
  6. Step 6: Final answer
    x = 264,102.62

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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.