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Finding the Fourth Proportional to 238,434.60, 329,038.98 and 132,450.60

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Solution

The fourth proportional to 238,434.60, 329,038.98 and 132,450.60 is: 182,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,434.60 : 329,038.98 = 132,450.60 : x
  2. Step 2: Convert to fraction form
    238,434.60/329,038.98 = 132,450.60/x
  3. Step 3: Cross multiply
    238,434.60x = 329,038.98 × 132,450.60
  4. Step 4: Simplify right side
    238,434.60x = 43,581,410,324.39
  5. Step 5: Solve for x
    x = 43,581,410,324.39/238,434.60
  6. Step 6: Final answer
    x = 182,781.40

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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.