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Finding the Fourth Proportional to 468,612.42, 702,920.88 and 113,626.41

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Solution

The fourth proportional to 468,612.42, 702,920.88 and 113,626.41 is: 170,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,612.42 : 702,920.88 = 113,626.41 : x
  2. Step 2: Convert to fraction form
    468,612.42/702,920.88 = 113,626.41/x
  3. Step 3: Cross multiply
    468,612.42x = 702,920.88 × 113,626.41
  4. Step 4: Simplify right side
    468,612.42x = 79,870,376,108.44
  5. Step 5: Solve for x
    x = 79,870,376,108.44/468,612.42
  6. Step 6: Final answer
    x = 170,440.16

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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.