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Finding the Fourth Proportional to 572,488.56, 858,888.36 and 173,142.36

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Solution

The fourth proportional to 572,488.56, 858,888.36 and 173,142.36 is: 259,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,488.56 : 858,888.36 = 173,142.36 : x
  2. Step 2: Convert to fraction form
    572,488.56/858,888.36 = 173,142.36/x
  3. Step 3: Cross multiply
    572,488.56x = 858,888.36 × 173,142.36
  4. Step 4: Simplify right side
    572,488.56x = 148,709,957,626.93
  5. Step 5: Solve for x
    x = 148,709,957,626.93/572,488.56
  6. Step 6: Final answer
    x = 259,760.58

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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.