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Finding the Fourth Proportional to 269,695.40, 404,543.10 and 169,968.20

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Solution

The fourth proportional to 269,695.40, 404,543.10 and 169,968.20 is: 254,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,695.40 : 404,543.10 = 169,968.20 : x
  2. Step 2: Convert to fraction form
    269,695.40/404,543.10 = 169,968.20/x
  3. Step 3: Cross multiply
    269,695.40x = 404,543.10 × 169,968.20
  4. Step 4: Simplify right side
    269,695.40x = 68,759,462,529.42
  5. Step 5: Solve for x
    x = 68,759,462,529.42/269,695.40
  6. Step 6: Final answer
    x = 254,952.30

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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.