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Finding the Fourth Proportional to 353,101.20, 487,223.28 and 232,291.32

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Solution

The fourth proportional to 353,101.20, 487,223.28 and 232,291.32 is: 320,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,101.20 : 487,223.28 = 232,291.32 : x
  2. Step 2: Convert to fraction form
    353,101.20/487,223.28 = 232,291.32/x
  3. Step 3: Cross multiply
    353,101.20x = 487,223.28 × 232,291.32
  4. Step 4: Simplify right side
    353,101.20x = 113,177,738,845.93
  5. Step 5: Solve for x
    x = 113,177,738,845.93/353,101.20
  6. Step 6: Final answer
    x = 320,524.93

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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.