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Finding the Fourth Proportional to 238,489.20, 329,146.20 and 153,852.48

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Solution

The fourth proportional to 238,489.20, 329,146.20 and 153,852.48 is: 212,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,489.20 : 329,146.20 = 153,852.48 : x
  2. Step 2: Convert to fraction form
    238,489.20/329,146.20 = 153,852.48/x
  3. Step 3: Cross multiply
    238,489.20x = 329,146.20 × 153,852.48
  4. Step 4: Simplify right side
    238,489.20x = 50,639,959,152.58
  5. Step 5: Solve for x
    x = 50,639,959,152.58/238,489.20
  6. Step 6: Final answer
    x = 212,336.49

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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.