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Finding the Fourth Proportional to 269,787.70, 404,681.55 and 169,623.10

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Solution

The fourth proportional to 269,787.70, 404,681.55 and 169,623.10 is: 254,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,787.70 : 404,681.55 = 169,623.10 : x
  2. Step 2: Convert to fraction form
    269,787.70/404,681.55 = 169,623.10/x
  3. Step 3: Cross multiply
    269,787.70x = 404,681.55 × 169,623.10
  4. Step 4: Simplify right side
    269,787.70x = 68,643,339,023.81
  5. Step 5: Solve for x
    x = 68,643,339,023.81/269,787.70
  6. Step 6: Final answer
    x = 254,434.65

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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.