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Finding the Fourth Proportional to 247,453.19, 341,486.31 and 134,275.94

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Solution

The fourth proportional to 247,453.19, 341,486.31 and 134,275.94 is: 185,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,453.19 : 341,486.31 = 134,275.94 : x
  2. Step 2: Convert to fraction form
    247,453.19/341,486.31 = 134,275.94/x
  3. Step 3: Cross multiply
    247,453.19x = 341,486.31 × 134,275.94
  4. Step 4: Simplify right side
    247,453.19x = 45,853,395,272.38
  5. Step 5: Solve for x
    x = 45,853,395,272.38/247,453.19
  6. Step 6: Final answer
    x = 185,301.29

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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.