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Finding the Fourth Proportional to 498,885.25, 748,334.36 and 166,461.25

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Solution

The fourth proportional to 498,885.25, 748,334.36 and 166,461.25 is: 249,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,885.25 : 748,334.36 = 166,461.25 : x
  2. Step 2: Convert to fraction form
    498,885.25/748,334.36 = 166,461.25/x
  3. Step 3: Cross multiply
    498,885.25x = 748,334.36 × 166,461.25
  4. Step 4: Simplify right side
    498,885.25x = 124,568,672,983.55
  5. Step 5: Solve for x
    x = 124,568,672,983.55/498,885.25
  6. Step 6: Final answer
    x = 249,694.04

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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.