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Finding the Fourth Proportional to 587,039.60, 879,903.30 and 250,022.90

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Solution

The fourth proportional to 587,039.60, 879,903.30 and 250,022.90 is: 374,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,039.60 : 879,903.30 = 250,022.90 : x
  2. Step 2: Convert to fraction form
    587,039.60/879,903.30 = 250,022.90/x
  3. Step 3: Cross multiply
    587,039.60x = 879,903.30 × 250,022.90
  4. Step 4: Simplify right side
    587,039.60x = 219,995,974,785.57
  5. Step 5: Solve for x
    x = 219,995,974,785.57/587,039.60
  6. Step 6: Final answer
    x = 374,754.91

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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.