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Finding the Fourth Proportional to 534,772.20, 737,915.46 and 319,833.84

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Solution

The fourth proportional to 534,772.20, 737,915.46 and 319,833.84 is: 441,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,772.20 : 737,915.46 = 319,833.84 : x
  2. Step 2: Convert to fraction form
    534,772.20/737,915.46 = 319,833.84/x
  3. Step 3: Cross multiply
    534,772.20x = 737,915.46 × 319,833.84
  4. Step 4: Simplify right side
    534,772.20x = 236,010,335,167.17
  5. Step 5: Solve for x
    x = 236,010,335,167.17/534,772.20
  6. Step 6: Final answer
    x = 441,328.73

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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.