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Finding the Fourth Proportional to 238,010.76, 328,185.54 and 151,854.48

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Solution

The fourth proportional to 238,010.76, 328,185.54 and 151,854.48 is: 209,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,010.76 : 328,185.54 = 151,854.48 : x
  2. Step 2: Convert to fraction form
    238,010.76/328,185.54 = 151,854.48/x
  3. Step 3: Cross multiply
    238,010.76x = 328,185.54 × 151,854.48
  4. Step 4: Simplify right side
    238,010.76x = 49,836,444,520.22
  5. Step 5: Solve for x
    x = 49,836,444,520.22/238,010.76
  6. Step 6: Final answer
    x = 209,387.36

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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.