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Finding the Fourth Proportional to 425,612.16, 587,326.79 and 232,015.68

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Solution

The fourth proportional to 425,612.16, 587,326.79 and 232,015.68 is: 320,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,612.16 : 587,326.79 = 232,015.68 : x
  2. Step 2: Convert to fraction form
    425,612.16/587,326.79 = 232,015.68/x
  3. Step 3: Cross multiply
    425,612.16x = 587,326.79 × 232,015.68
  4. Step 4: Simplify right side
    425,612.16x = 136,269,023,403.99
  5. Step 5: Solve for x
    x = 136,269,023,403.99/425,612.16
  6. Step 6: Final answer
    x = 320,171.83

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