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Finding the Fourth Proportional to 574,265.97, 861,438.51 and 195,031.94

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Solution

The fourth proportional to 574,265.97, 861,438.51 and 195,031.94 is: 292,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,265.97 : 861,438.51 = 195,031.94 : x
  2. Step 2: Convert to fraction form
    574,265.97/861,438.51 = 195,031.94/x
  3. Step 3: Cross multiply
    574,265.97x = 861,438.51 × 195,031.94
  4. Step 4: Simplify right side
    574,265.97x = 168,008,019,488.82
  5. Step 5: Solve for x
    x = 168,008,019,488.82/574,265.97
  6. Step 6: Final answer
    x = 292,561.34

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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.