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Finding the Fourth Proportional to 274,673.60, 412,010.40 and 168,385.40

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Solution

The fourth proportional to 274,673.60, 412,010.40 and 168,385.40 is: 252,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,673.60 : 412,010.40 = 168,385.40 : x
  2. Step 2: Convert to fraction form
    274,673.60/412,010.40 = 168,385.40/x
  3. Step 3: Cross multiply
    274,673.60x = 412,010.40 × 168,385.40
  4. Step 4: Simplify right side
    274,673.60x = 69,376,536,008.16
  5. Step 5: Solve for x
    x = 69,376,536,008.16/274,673.60
  6. Step 6: Final answer
    x = 252,578.10

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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.