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Finding the Fourth Proportional to 425,154.58, 586,739.91 and 234,167.92

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Solution

The fourth proportional to 425,154.58, 586,739.91 and 234,167.92 is: 323,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,154.58 : 586,739.91 = 234,167.92 : x
  2. Step 2: Convert to fraction form
    425,154.58/586,739.91 = 234,167.92/x
  3. Step 3: Cross multiply
    425,154.58x = 586,739.91 × 234,167.92
  4. Step 4: Simplify right side
    425,154.58x = 137,395,664,305.69
  5. Step 5: Solve for x
    x = 137,395,664,305.69/425,154.58
  6. Step 6: Final answer
    x = 323,166.37

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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.