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Finding the Fourth Proportional to 468,479.22, 702,706.08 and 131,522.67

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Solution

The fourth proportional to 468,479.22, 702,706.08 and 131,522.67 is: 197,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,479.22 : 702,706.08 = 131,522.67 : x
  2. Step 2: Convert to fraction form
    468,479.22/702,706.08 = 131,522.67/x
  3. Step 3: Cross multiply
    468,479.22x = 702,706.08 × 131,522.67
  4. Step 4: Simplify right side
    468,479.22x = 92,421,775,695.69
  5. Step 5: Solve for x
    x = 92,421,775,695.69/468,479.22
  6. Step 6: Final answer
    x = 197,280.42

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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.