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Finding the Fourth Proportional to 241,398.40, 362,443.20 and 136,422.40

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Solution

The fourth proportional to 241,398.40, 362,443.20 and 136,422.40 is: 204,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,398.40 : 362,443.20 = 136,422.40 : x
  2. Step 2: Convert to fraction form
    241,398.40/362,443.20 = 136,422.40/x
  3. Step 3: Cross multiply
    241,398.40x = 362,443.20 × 136,422.40
  4. Step 4: Simplify right side
    241,398.40x = 49,445,371,207.68
  5. Step 5: Solve for x
    x = 49,445,371,207.68/241,398.40
  6. Step 6: Final answer
    x = 204,828.91

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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.