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Finding the Fourth Proportional to 468,612.65, 702,921.23 and 113,626.64

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Solution

The fourth proportional to 468,612.65, 702,921.23 and 113,626.64 is: 170,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,612.65 : 702,921.23 = 113,626.64 : x
  2. Step 2: Convert to fraction form
    468,612.65/702,921.23 = 113,626.64/x
  3. Step 3: Cross multiply
    468,612.65x = 702,921.23 × 113,626.64
  4. Step 4: Simplify right side
    468,612.65x = 79,870,577,549.57
  5. Step 5: Solve for x
    x = 79,870,577,549.57/468,612.65
  6. Step 6: Final answer
    x = 170,440.51

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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.