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Finding the Fourth Proportional to 663,211.20, 994,816.80 and 463,756.80

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Solution

The fourth proportional to 663,211.20, 994,816.80 and 463,756.80 is: 695,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,211.20 : 994,816.80 = 463,756.80 : x
  2. Step 2: Convert to fraction form
    663,211.20/994,816.80 = 463,756.80/x
  3. Step 3: Cross multiply
    663,211.20x = 994,816.80 × 463,756.80
  4. Step 4: Simplify right side
    663,211.20x = 461,353,055,754.24
  5. Step 5: Solve for x
    x = 461,353,055,754.24/663,211.20
  6. Step 6: Final answer
    x = 695,635.20

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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.