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Finding the Fourth Proportional to 269,792.60, 404,688.90 and 92,305.40

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Solution

The fourth proportional to 269,792.60, 404,688.90 and 92,305.40 is: 138,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,792.60 : 404,688.90 = 92,305.40 : x
  2. Step 2: Convert to fraction form
    269,792.60/404,688.90 = 92,305.40/x
  3. Step 3: Cross multiply
    269,792.60x = 404,688.90 × 92,305.40
  4. Step 4: Simplify right side
    269,792.60x = 37,354,970,790.06
  5. Step 5: Solve for x
    x = 37,354,970,790.06/269,792.60
  6. Step 6: Final answer
    x = 138,458.10

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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.