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Finding the Fourth Proportional to 534,628.50, 737,787.30 and 292,920.24

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Solution

The fourth proportional to 534,628.50, 737,787.30 and 292,920.24 is: 404,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,628.50 : 737,787.30 = 292,920.24 : x
  2. Step 2: Convert to fraction form
    534,628.50/737,787.30 = 292,920.24/x
  3. Step 3: Cross multiply
    534,628.50x = 737,787.30 × 292,920.24
  4. Step 4: Simplify right side
    534,628.50x = 216,112,832,984.95
  5. Step 5: Solve for x
    x = 216,112,832,984.95/534,628.50
  6. Step 6: Final answer
    x = 404,229.91

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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.