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Finding the Fourth Proportional to 329,249.25, 454,363.98 and 178,346.25

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Solution

The fourth proportional to 329,249.25, 454,363.98 and 178,346.25 is: 246,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,249.25 : 454,363.98 = 178,346.25 : x
  2. Step 2: Convert to fraction form
    329,249.25/454,363.98 = 178,346.25/x
  3. Step 3: Cross multiply
    329,249.25x = 454,363.98 × 178,346.25
  4. Step 4: Simplify right side
    329,249.25x = 81,034,111,968.08
  5. Step 5: Solve for x
    x = 81,034,111,968.08/329,249.25
  6. Step 6: Final answer
    x = 246,117.83

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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.