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Finding the Fourth Proportional to 464,752.11, 641,356.10 and 260,802.51

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Solution

The fourth proportional to 464,752.11, 641,356.10 and 260,802.51 is: 359,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,752.11 : 641,356.10 = 260,802.51 : x
  2. Step 2: Convert to fraction form
    464,752.11/641,356.10 = 260,802.51/x
  3. Step 3: Cross multiply
    464,752.11x = 641,356.10 × 260,802.51
  4. Step 4: Simplify right side
    464,752.11x = 167,267,279,379.80
  5. Step 5: Solve for x
    x = 167,267,279,379.80/464,752.11
  6. Step 6: Final answer
    x = 359,906.44

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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.