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Finding the Fourth Proportional to 340,034.68, 469,251.79 and 194,837.59

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Solution

The fourth proportional to 340,034.68, 469,251.79 and 194,837.59 is: 268,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,034.68 : 469,251.79 = 194,837.59 : x
  2. Step 2: Convert to fraction form
    340,034.68/469,251.79 = 194,837.59/x
  3. Step 3: Cross multiply
    340,034.68x = 469,251.79 × 194,837.59
  4. Step 4: Simplify right side
    340,034.68x = 91,427,888,676.32
  5. Step 5: Solve for x
    x = 91,427,888,676.32/340,034.68
  6. Step 6: Final answer
    x = 268,878.13

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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.