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Finding the Fourth Proportional to 453,872.70, 680,809.05 and 433,205.55

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Solution

The fourth proportional to 453,872.70, 680,809.05 and 433,205.55 is: 649,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,872.70 : 680,809.05 = 433,205.55 : x
  2. Step 2: Convert to fraction form
    453,872.70/680,809.05 = 433,205.55/x
  3. Step 3: Cross multiply
    453,872.70x = 680,809.05 × 433,205.55
  4. Step 4: Simplify right side
    453,872.70x = 294,930,258,950.23
  5. Step 5: Solve for x
    x = 294,930,258,950.23/453,872.70
  6. Step 6: Final answer
    x = 649,808.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.