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Finding the Fourth Proportional to 348,184.88, 480,331.32 and 252,481.76

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Solution

The fourth proportional to 348,184.88, 480,331.32 and 252,481.76 is: 348,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,184.88 : 480,331.32 = 252,481.76 : x
  2. Step 2: Convert to fraction form
    348,184.88/480,331.32 = 252,481.76/x
  3. Step 3: Cross multiply
    348,184.88x = 480,331.32 × 252,481.76
  4. Step 4: Simplify right side
    348,184.88x = 121,274,897,056.72
  5. Step 5: Solve for x
    x = 121,274,897,056.72/348,184.88
  6. Step 6: Final answer
    x = 348,306.04

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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.