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Finding the Fourth Proportional to 454,967.31, 682,531.19 and 155,377.67

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Solution

The fourth proportional to 454,967.31, 682,531.19 and 155,377.67 is: 233,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,967.31 : 682,531.19 = 155,377.67 : x
  2. Step 2: Convert to fraction form
    454,967.31/682,531.19 = 155,377.67/x
  3. Step 3: Cross multiply
    454,967.31x = 682,531.19 × 155,377.67
  4. Step 4: Simplify right side
    454,967.31x = 106,050,105,227.64
  5. Step 5: Solve for x
    x = 106,050,105,227.64/454,967.31
  6. Step 6: Final answer
    x = 233,093.90

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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.