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Finding the Fourth Proportional to 353,250.64, 487,238.79 and 232,353.28

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Solution

The fourth proportional to 353,250.64, 487,238.79 and 232,353.28 is: 320,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,250.64 : 487,238.79 = 232,353.28 : x
  2. Step 2: Convert to fraction form
    353,250.64/487,238.79 = 232,353.28/x
  3. Step 3: Cross multiply
    353,250.64x = 487,238.79 × 232,353.28
  4. Step 4: Simplify right side
    353,250.64x = 113,211,530,999.73
  5. Step 5: Solve for x
    x = 113,211,530,999.73/353,250.64
  6. Step 6: Final answer
    x = 320,485.00

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1.5x scale

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.