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Finding the Fourth Proportional to 269,952,010.60, 404,928,015.90 and 178,119,005.80

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Solution

The fourth proportional to 269,952,010.60, 404,928,015.90 and 178,119,005.80 is: 267,178,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,952,010.60 : 404,928,015.90 = 178,119,005.80 : x
  2. Step 2: Convert to fraction form
    269,952,010.60/404,928,015.90 = 178,119,005.80/x
  3. Step 3: Cross multiply
    269,952,010.60x = 404,928,015.90 × 178,119,005.80
  4. Step 4: Simplify right side
    269,952,010.60x = 72,125,375,612,674,592
  5. Step 5: Solve for x
    x = 72,125,375,612,674,592/269,952,010.60
  6. Step 6: Final answer
    x = 267,178,508.70

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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.