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Finding the Fourth Proportional to 276,433.39, 381,595.77 and 185,841.89

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Solution

The fourth proportional to 276,433.39, 381,595.77 and 185,841.89 is: 256,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,433.39 : 381,595.77 = 185,841.89 : x
  2. Step 2: Convert to fraction form
    276,433.39/381,595.77 = 185,841.89/x
  3. Step 3: Cross multiply
    276,433.39x = 381,595.77 × 185,841.89
  4. Step 4: Simplify right side
    276,433.39x = 70,916,479,873.98
  5. Step 5: Solve for x
    x = 70,916,479,873.98/276,433.39
  6. Step 6: Final answer
    x = 256,540.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.