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Finding the Fourth Proportional to 453,392.40, 680,126.68 and 137,852.04

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Solution

The fourth proportional to 453,392.40, 680,126.68 and 137,852.04 is: 206,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,392.40 : 680,126.68 = 137,852.04 : x
  2. Step 2: Convert to fraction form
    453,392.40/680,126.68 = 137,852.04/x
  3. Step 3: Cross multiply
    453,392.40x = 680,126.68 × 137,852.04
  4. Step 4: Simplify right side
    453,392.40x = 93,756,850,296.43
  5. Step 5: Solve for x
    x = 93,756,850,296.43/453,392.40
  6. Step 6: Final answer
    x = 206,789.64

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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.