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Finding the Fourth Proportional to 269,510.90, 404,266.35 and 169,783.70

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Solution

The fourth proportional to 269,510.90, 404,266.35 and 169,783.70 is: 254,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,510.90 : 404,266.35 = 169,783.70 : x
  2. Step 2: Convert to fraction form
    269,510.90/404,266.35 = 169,783.70/x
  3. Step 3: Cross multiply
    269,510.90x = 404,266.35 × 169,783.70
  4. Step 4: Simplify right side
    269,510.90x = 68,637,836,688.50
  5. Step 5: Solve for x
    x = 68,637,836,688.50/269,510.90
  6. Step 6: Final answer
    x = 254,675.55

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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.