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Finding the Fourth Proportional to 254,376.97, 381,573.59 and 127,948.17

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Solution

The fourth proportional to 254,376.97, 381,573.59 and 127,948.17 is: 191,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,376.97 : 381,573.59 = 127,948.17 : x
  2. Step 2: Convert to fraction form
    254,376.97/381,573.59 = 127,948.17/x
  3. Step 3: Cross multiply
    254,376.97x = 381,573.59 × 127,948.17
  4. Step 4: Simplify right side
    254,376.97x = 48,821,643,351.99
  5. Step 5: Solve for x
    x = 48,821,643,351.99/254,376.97
  6. Step 6: Final answer
    x = 191,926.35

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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.