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Finding the Fourth Proportional to 329,645.29, 454,856.58 and 216,608.17

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Solution

The fourth proportional to 329,645.29, 454,856.58 and 216,608.17 is: 298,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,645.29 : 454,856.58 = 216,608.17 : x
  2. Step 2: Convert to fraction form
    329,645.29/454,856.58 = 216,608.17/x
  3. Step 3: Cross multiply
    329,645.29x = 454,856.58 × 216,608.17
  4. Step 4: Simplify right side
    329,645.29x = 98,525,648,048.93
  5. Step 5: Solve for x
    x = 98,525,648,048.93/329,645.29
  6. Step 6: Final answer
    x = 298,883.84

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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.