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Finding the Fourth Proportional to 625,678.83, 938,556.52 and 176,438.96

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Solution

The fourth proportional to 625,678.83, 938,556.52 and 176,438.96 is: 264,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,678.83 : 938,556.52 = 176,438.96 : x
  2. Step 2: Convert to fraction form
    625,678.83/938,556.52 = 176,438.96/x
  3. Step 3: Cross multiply
    625,678.83x = 938,556.52 × 176,438.96
  4. Step 4: Simplify right side
    625,678.83x = 165,597,934,675.73
  5. Step 5: Solve for x
    x = 165,597,934,675.73/625,678.83
  6. Step 6: Final answer
    x = 264,669.23

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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.