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Finding the Fourth Proportional to 333,889.28, 460,622.40 and 220,869.76

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Solution

The fourth proportional to 333,889.28, 460,622.40 and 220,869.76 is: 304,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,889.28 : 460,622.40 = 220,869.76 : x
  2. Step 2: Convert to fraction form
    333,889.28/460,622.40 = 220,869.76/x
  3. Step 3: Cross multiply
    333,889.28x = 460,622.40 × 220,869.76
  4. Step 4: Simplify right side
    333,889.28x = 101,737,558,938.62
  5. Step 5: Solve for x
    x = 101,737,558,938.62/333,889.28
  6. Step 6: Final answer
    x = 304,704.48

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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.