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Finding the Fourth Proportional to 238,240.96, 357,361.17 and 185,689.78

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Solution

The fourth proportional to 238,240.96, 357,361.17 and 185,689.78 is: 278,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,240.96 : 357,361.17 = 185,689.78 : x
  2. Step 2: Convert to fraction form
    238,240.96/357,361.17 = 185,689.78/x
  3. Step 3: Cross multiply
    238,240.96x = 357,361.17 × 185,689.78
  4. Step 4: Simplify right side
    238,240.96x = 66,358,317,037.84
  5. Step 5: Solve for x
    x = 66,358,317,037.84/238,240.96
  6. Step 6: Final answer
    x = 278,534.46

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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.