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Finding the Fourth Proportional to 272,310.60, 408,465.90 and 166,022.40

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Solution

The fourth proportional to 272,310.60, 408,465.90 and 166,022.40 is: 249,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,310.60 : 408,465.90 = 166,022.40 : x
  2. Step 2: Convert to fraction form
    272,310.60/408,465.90 = 166,022.40/x
  3. Step 3: Cross multiply
    272,310.60x = 408,465.90 × 166,022.40
  4. Step 4: Simplify right side
    272,310.60x = 67,814,489,036.16
  5. Step 5: Solve for x
    x = 67,814,489,036.16/272,310.60
  6. Step 6: Final answer
    x = 249,033.60

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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.