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Finding the Fourth Proportional to 437,216.40, 655,824.60 and 295,498.80

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Solution

The fourth proportional to 437,216.40, 655,824.60 and 295,498.80 is: 443,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,216.40 : 655,824.60 = 295,498.80 : x
  2. Step 2: Convert to fraction form
    437,216.40/655,824.60 = 295,498.80/x
  3. Step 3: Cross multiply
    437,216.40x = 655,824.60 × 295,498.80
  4. Step 4: Simplify right side
    437,216.40x = 193,795,382,310.48
  5. Step 5: Solve for x
    x = 193,795,382,310.48/437,216.40
  6. Step 6: Final answer
    x = 443,248.20

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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.