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Finding the Fourth Proportional to 327,889.95, 452,489.15 and 190,095.73

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Solution

The fourth proportional to 327,889.95, 452,489.15 and 190,095.73 is: 262,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,889.95 : 452,489.15 = 190,095.73 : x
  2. Step 2: Convert to fraction form
    327,889.95/452,489.15 = 190,095.73/x
  3. Step 3: Cross multiply
    327,889.95x = 452,489.15 × 190,095.73
  4. Step 4: Simplify right side
    327,889.95x = 86,016,255,614.32
  5. Step 5: Solve for x
    x = 86,016,255,614.32/327,889.95
  6. Step 6: Final answer
    x = 262,332.70

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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.