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Finding the Fourth Proportional to 254,377.73, 381,574.71 and 127,948.93

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Solution

The fourth proportional to 254,377.73, 381,574.71 and 127,948.93 is: 191,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,377.73 : 381,574.71 = 127,948.93 : x
  2. Step 2: Convert to fraction form
    254,377.73/381,574.71 = 127,948.93/x
  3. Step 3: Cross multiply
    254,377.73x = 381,574.71 × 127,948.93
  4. Step 4: Simplify right side
    254,377.73x = 48,822,074,905.62
  5. Step 5: Solve for x
    x = 48,822,074,905.62/254,377.73
  6. Step 6: Final answer
    x = 191,927.48

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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.