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Finding the Fourth Proportional to 207,636.39, 311,461.31 and 65,483.04

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Solution

The fourth proportional to 207,636.39, 311,461.31 and 65,483.04 is: 98,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,636.39 : 311,461.31 = 65,483.04 : x
  2. Step 2: Convert to fraction form
    207,636.39/311,461.31 = 65,483.04/x
  3. Step 3: Cross multiply
    207,636.39x = 311,461.31 × 65,483.04
  4. Step 4: Simplify right side
    207,636.39x = 20,395,433,584.89
  5. Step 5: Solve for x
    x = 20,395,433,584.89/207,636.39
  6. Step 6: Final answer
    x = 98,226.68

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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.