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Finding the Fourth Proportional to 683,251.20, 945,043.20 and 603,763.20

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Solution

The fourth proportional to 683,251.20, 945,043.20 and 603,763.20 is: 835,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,251.20 : 945,043.20 = 603,763.20 : x
  2. Step 2: Convert to fraction form
    683,251.20/945,043.20 = 603,763.20/x
  3. Step 3: Cross multiply
    683,251.20x = 945,043.20 × 603,763.20
  4. Step 4: Simplify right side
    683,251.20x = 570,582,306,570.24
  5. Step 5: Solve for x
    x = 570,582,306,570.24/683,251.20
  6. Step 6: Final answer
    x = 835,098.87

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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.