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Finding the Fourth Proportional to 207,655.44, 311,555.40 and 65,522.64

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Solution

The fourth proportional to 207,655.44, 311,555.40 and 65,522.64 is: 98,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,655.44 : 311,555.40 = 65,522.64 : x
  2. Step 2: Convert to fraction form
    207,655.44/311,555.40 = 65,522.64/x
  3. Step 3: Cross multiply
    207,655.44x = 311,555.40 × 65,522.64
  4. Step 4: Simplify right side
    207,655.44x = 20,413,932,314.26
  5. Step 5: Solve for x
    x = 20,413,932,314.26/207,655.44
  6. Step 6: Final answer
    x = 98,306.75

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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.