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Finding the Fourth Proportional to 579,197.99, 868,835.87 and 158,477.51

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Solution

The fourth proportional to 579,197.99, 868,835.87 and 158,477.51 is: 237,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,197.99 : 868,835.87 = 158,477.51 : x
  2. Step 2: Convert to fraction form
    579,197.99/868,835.87 = 158,477.51/x
  3. Step 3: Cross multiply
    579,197.99x = 868,835.87 × 158,477.51
  4. Step 4: Simplify right side
    579,197.99x = 137,690,940,139.72
  5. Step 5: Solve for x
    x = 137,690,940,139.72/579,197.99
  6. Step 6: Final answer
    x = 237,726.90

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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.