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Finding the Fourth Proportional to 600,087.89, 828,121.25 and 328,155.95

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Solution

The fourth proportional to 600,087.89, 828,121.25 and 328,155.95 is: 452,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,087.89 : 828,121.25 = 328,155.95 : x
  2. Step 2: Convert to fraction form
    600,087.89/828,121.25 = 328,155.95/x
  3. Step 3: Cross multiply
    600,087.89x = 828,121.25 × 328,155.95
  4. Step 4: Simplify right side
    600,087.89x = 271,752,918,399.63
  5. Step 5: Solve for x
    x = 271,752,918,399.63/600,087.89
  6. Step 6: Final answer
    x = 452,855.19

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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.