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Finding the Fourth Proportional to 425,617.32, 587,353.68 and 234,626.52

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Solution

The fourth proportional to 425,617.32, 587,353.68 and 234,626.52 is: 323,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,617.32 : 587,353.68 = 234,626.52 : x
  2. Step 2: Convert to fraction form
    425,617.32/587,353.68 = 234,626.52/x
  3. Step 3: Cross multiply
    425,617.32x = 587,353.68 × 234,626.52
  4. Step 4: Simplify right side
    425,617.32x = 137,808,749,947.59
  5. Step 5: Solve for x
    x = 137,808,749,947.59/425,617.32
  6. Step 6: Final answer
    x = 323,785.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.