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Finding the Fourth Proportional to 293,867.60, 440,801.40 and 72,251.60

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Solution

The fourth proportional to 293,867.60, 440,801.40 and 72,251.60 is: 108,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,867.60 : 440,801.40 = 72,251.60 : x
  2. Step 2: Convert to fraction form
    293,867.60/440,801.40 = 72,251.60/x
  3. Step 3: Cross multiply
    293,867.60x = 440,801.40 × 72,251.60
  4. Step 4: Simplify right side
    293,867.60x = 31,848,606,432.24
  5. Step 5: Solve for x
    x = 31,848,606,432.24/293,867.60
  6. Step 6: Final answer
    x = 108,377.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.