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Finding the Fourth Proportional to 329,215.54, 454,354.32 and 185,984.81

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Solution

The fourth proportional to 329,215.54, 454,354.32 and 185,984.81 is: 256,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,215.54 : 454,354.32 = 185,984.81 : x
  2. Step 2: Convert to fraction form
    329,215.54/454,354.32 = 185,984.81/x
  3. Step 3: Cross multiply
    329,215.54x = 454,354.32 × 185,984.81
  4. Step 4: Simplify right side
    329,215.54x = 84,503,001,877.88
  5. Step 5: Solve for x
    x = 84,503,001,877.88/329,215.54
  6. Step 6: Final answer
    x = 256,679.87

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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.