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Finding the Fourth Proportional to 625,485.72, 938,168.46 and 176,199.42

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Solution

The fourth proportional to 625,485.72, 938,168.46 and 176,199.42 is: 264,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,485.72 : 938,168.46 = 176,199.42 : x
  2. Step 2: Convert to fraction form
    625,485.72/938,168.46 = 176,199.42/x
  3. Step 3: Cross multiply
    625,485.72x = 938,168.46 × 176,199.42
  4. Step 4: Simplify right side
    625,485.72x = 165,304,738,514.29
  5. Step 5: Solve for x
    x = 165,304,738,514.29/625,485.72
  6. Step 6: Final answer
    x = 264,282.19

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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.