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Finding the Fourth Proportional to 348,471.45, 480,919.59 and 193,437.33

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Solution

The fourth proportional to 348,471.45, 480,919.59 and 193,437.33 is: 266,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,471.45 : 480,919.59 = 193,437.33 : x
  2. Step 2: Convert to fraction form
    348,471.45/480,919.59 = 193,437.33/x
  3. Step 3: Cross multiply
    348,471.45x = 480,919.59 × 193,437.33
  4. Step 4: Simplify right side
    348,471.45x = 93,027,801,434.29
  5. Step 5: Solve for x
    x = 93,027,801,434.29/348,471.45
  6. Step 6: Final answer
    x = 266,959.61

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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.