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Finding the Fourth Proportional to 326,302.97, 489,434.72 and 194,025.02

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Solution

The fourth proportional to 326,302.97, 489,434.72 and 194,025.02 is: 291,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,302.97 : 489,434.72 = 194,025.02 : x
  2. Step 2: Convert to fraction form
    326,302.97/489,434.72 = 194,025.02/x
  3. Step 3: Cross multiply
    326,302.97x = 489,434.72 × 194,025.02
  4. Step 4: Simplify right side
    326,302.97x = 94,962,577,919.40
  5. Step 5: Solve for x
    x = 94,962,577,919.40/326,302.97
  6. Step 6: Final answer
    x = 291,025.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.