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Finding the Fourth Proportional to 348,524.80, 522,787.20 and 335,402.80

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Solution

The fourth proportional to 348,524.80, 522,787.20 and 335,402.80 is: 503,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,524.80 : 522,787.20 = 335,402.80 : x
  2. Step 2: Convert to fraction form
    348,524.80/522,787.20 = 335,402.80/x
  3. Step 3: Cross multiply
    348,524.80x = 522,787.20 × 335,402.80
  4. Step 4: Simplify right side
    348,524.80x = 175,344,290,684.16
  5. Step 5: Solve for x
    x = 175,344,290,684.16/348,524.80
  6. Step 6: Final answer
    x = 503,104.20

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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.