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Finding the Fourth Proportional to 269,713.64, 404,445.30 and 157,426.19

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Solution

The fourth proportional to 269,713.64, 404,445.30 and 157,426.19 is: 236,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,713.64 : 404,445.30 = 157,426.19 : x
  2. Step 2: Convert to fraction form
    269,713.64/404,445.30 = 157,426.19/x
  3. Step 3: Cross multiply
    269,713.64x = 404,445.30 × 157,426.19
  4. Step 4: Simplify right side
    269,713.64x = 63,670,282,642.41
  5. Step 5: Solve for x
    x = 63,670,282,642.41/269,713.64
  6. Step 6: Final answer
    x = 236,066.23

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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.