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Finding the Fourth Proportional to 464,910.39, 641,585.81 and 260,976.02

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Solution

The fourth proportional to 464,910.39, 641,585.81 and 260,976.02 is: 360,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,910.39 : 641,585.81 = 260,976.02 : x
  2. Step 2: Convert to fraction form
    464,910.39/641,585.81 = 260,976.02/x
  3. Step 3: Cross multiply
    464,910.39x = 641,585.81 × 260,976.02
  4. Step 4: Simplify right side
    464,910.39x = 167,438,508,626.79
  5. Step 5: Solve for x
    x = 167,438,508,626.79/464,910.39
  6. Step 6: Final answer
    x = 360,152.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.