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Finding the Fourth Proportional to 579,019.68, 868,529.88 and 158,263.92

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Solution

The fourth proportional to 579,019.68, 868,529.88 and 158,263.92 is: 237,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,019.68 : 868,529.88 = 158,263.92 : x
  2. Step 2: Convert to fraction form
    579,019.68/868,529.88 = 158,263.92/x
  3. Step 3: Cross multiply
    579,019.68x = 868,529.88 × 158,263.92
  4. Step 4: Simplify right side
    579,019.68x = 137,456,943,445.93
  5. Step 5: Solve for x
    x = 137,456,943,445.93/579,019.68
  6. Step 6: Final answer
    x = 237,395.98

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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.