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Finding the Fourth Proportional to 269,529.40, 404,294.10 and 169,802.20

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Solution

The fourth proportional to 269,529.40, 404,294.10 and 169,802.20 is: 254,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,529.40 : 404,294.10 = 169,802.20 : x
  2. Step 2: Convert to fraction form
    269,529.40/404,294.10 = 169,802.20/x
  3. Step 3: Cross multiply
    269,529.40x = 404,294.10 × 169,802.20
  4. Step 4: Simplify right side
    269,529.40x = 68,650,027,627.02
  5. Step 5: Solve for x
    x = 68,650,027,627.02/269,529.40
  6. Step 6: Final answer
    x = 254,703.30

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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.