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Finding the Fourth Proportional to 254,654.40, 382,058.40 and 136,382.40

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Solution

The fourth proportional to 254,654.40, 382,058.40 and 136,382.40 is: 204,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,654.40 : 382,058.40 = 136,382.40 : x
  2. Step 2: Convert to fraction form
    254,654.40/382,058.40 = 136,382.40/x
  3. Step 3: Cross multiply
    254,654.40x = 382,058.40 × 136,382.40
  4. Step 4: Simplify right side
    254,654.40x = 52,106,041,532.16
  5. Step 5: Solve for x
    x = 52,106,041,532.16/254,654.40
  6. Step 6: Final answer
    x = 204,614.73

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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.