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Finding the Fourth Proportional to 464,878.92, 641,483.62 and 260,952.28

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Solution

The fourth proportional to 464,878.92, 641,483.62 and 260,952.28 is: 360,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,878.92 : 641,483.62 = 260,952.28 : x
  2. Step 2: Convert to fraction form
    464,878.92/641,483.62 = 260,952.28/x
  3. Step 3: Cross multiply
    464,878.92x = 641,483.62 × 260,952.28
  4. Step 4: Simplify right side
    464,878.92x = 167,396,608,709.47
  5. Step 5: Solve for x
    x = 167,396,608,709.47/464,878.92
  6. Step 6: Final answer
    x = 360,086.47

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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.