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Finding the Fourth Proportional to 323,751.39, 485,767.28 and 173,816.74

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Solution

The fourth proportional to 323,751.39, 485,767.28 and 173,816.74 is: 260,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,751.39 : 485,767.28 = 173,816.74 : x
  2. Step 2: Convert to fraction form
    323,751.39/485,767.28 = 173,816.74/x
  3. Step 3: Cross multiply
    323,751.39x = 485,767.28 × 173,816.74
  4. Step 4: Simplify right side
    323,751.39x = 84,434,485,008.27
  5. Step 5: Solve for x
    x = 84,434,485,008.27/323,751.39
  6. Step 6: Final answer
    x = 260,800.38

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1.5x scale

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.