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Finding the Fourth Proportional to 329,335.70, 454,316.72 and 220,444.56

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Solution

The fourth proportional to 329,335.70, 454,316.72 and 220,444.56 is: 304,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,335.70 : 454,316.72 = 220,444.56 : x
  2. Step 2: Convert to fraction form
    329,335.70/454,316.72 = 220,444.56/x
  3. Step 3: Cross multiply
    329,335.70x = 454,316.72 × 220,444.56
  4. Step 4: Simplify right side
    329,335.70x = 100,151,648,338.82
  5. Step 5: Solve for x
    x = 100,151,648,338.82/329,335.70
  6. Step 6: Final answer
    x = 304,102.01

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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.