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Finding the Fourth Proportional to 453,134.84, 679,658.34 and 137,594.52

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Solution

The fourth proportional to 453,134.84, 679,658.34 and 137,594.52 is: 206,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,134.84 : 679,658.34 = 137,594.52 : x
  2. Step 2: Convert to fraction form
    453,134.84/679,658.34 = 137,594.52/x
  3. Step 3: Cross multiply
    453,134.84x = 679,658.34 × 137,594.52
  4. Step 4: Simplify right side
    453,134.84x = 93,517,263,056.30
  5. Step 5: Solve for x
    x = 93,517,263,056.30/453,134.84
  6. Step 6: Final answer
    x = 206,378.44

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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.