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Finding the Fourth Proportional to 597,913.80, 825,120.60 and 325,981.68

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Solution

The fourth proportional to 597,913.80, 825,120.60 and 325,981.68 is: 449,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,913.80 : 825,120.60 = 325,981.68 : x
  2. Step 2: Convert to fraction form
    597,913.80/825,120.60 = 325,981.68/x
  3. Step 3: Cross multiply
    597,913.80x = 825,120.60 × 325,981.68
  4. Step 4: Simplify right side
    597,913.80x = 268,974,199,390.61
  5. Step 5: Solve for x
    x = 268,974,199,390.61/597,913.80
  6. Step 6: Final answer
    x = 449,854.48

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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.