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Finding the Fourth Proportional to 235,966.92, 352,167.60 and 219,968.28

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Solution

The fourth proportional to 235,966.92, 352,167.60 and 219,968.28 is: 328,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,966.92 : 352,167.60 = 219,968.28 : x
  2. Step 2: Convert to fraction form
    235,966.92/352,167.60 = 219,968.28/x
  3. Step 3: Cross multiply
    235,966.92x = 352,167.60 × 219,968.28
  4. Step 4: Simplify right side
    235,966.92x = 77,465,701,243.73
  5. Step 5: Solve for x
    x = 77,465,701,243.73/235,966.92
  6. Step 6: Final answer
    x = 328,290.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.