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Finding the Fourth Proportional to 353,249.64, 487,237.41 and 232,352.28

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Solution

The fourth proportional to 353,249.64, 487,237.41 and 232,352.28 is: 320,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,249.64 : 487,237.41 = 232,352.28 : x
  2. Step 2: Convert to fraction form
    353,249.64/487,237.41 = 232,352.28/x
  3. Step 3: Cross multiply
    353,249.64x = 487,237.41 × 232,352.28
  4. Step 4: Simplify right side
    353,249.64x = 113,210,723,114.80
  5. Step 5: Solve for x
    x = 113,210,723,114.80/353,249.64
  6. Step 6: Final answer
    x = 320,483.62

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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.