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Finding the Fourth Proportional to 464,951.48, 641,606.30 and 260,983.40

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Solution

The fourth proportional to 464,951.48, 641,606.30 and 260,983.40 is: 360,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,951.48 : 641,606.30 = 260,983.40 : x
  2. Step 2: Convert to fraction form
    464,951.48/641,606.30 = 260,983.40/x
  3. Step 3: Cross multiply
    464,951.48x = 641,606.30 × 260,983.40
  4. Step 4: Simplify right side
    464,951.48x = 167,448,589,122.47
  5. Step 5: Solve for x
    x = 167,448,589,122.47/464,951.48
  6. Step 6: Final answer
    x = 360,142.08

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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.