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Finding the Fourth Proportional to 483,972.60, 725,958.90 and 433,234.20

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Solution

The fourth proportional to 483,972.60, 725,958.90 and 433,234.20 is: 649,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,972.60 : 725,958.90 = 433,234.20 : x
  2. Step 2: Convert to fraction form
    483,972.60/725,958.90 = 433,234.20/x
  3. Step 3: Cross multiply
    483,972.60x = 725,958.90 × 433,234.20
  4. Step 4: Simplify right side
    483,972.60x = 314,510,223,274.38
  5. Step 5: Solve for x
    x = 314,510,223,274.38/483,972.60
  6. Step 6: Final answer
    x = 649,851.30

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Similar ratio
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1.5x scale

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.