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Finding the Fourth Proportional to 275,354.60, 412,934.70 and 97,867.40

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Solution

The fourth proportional to 275,354.60, 412,934.70 and 97,867.40 is: 146,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,354.60 : 412,934.70 = 97,867.40 : x
  2. Step 2: Convert to fraction form
    275,354.60/412,934.70 = 97,867.40/x
  3. Step 3: Cross multiply
    275,354.60x = 412,934.70 × 97,867.40
  4. Step 4: Simplify right side
    275,354.60x = 40,412,845,458.78
  5. Step 5: Solve for x
    x = 40,412,845,458.78/275,354.60
  6. Step 6: Final answer
    x = 146,766.55

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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.