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Finding the Fourth Proportional to 464,673.11, 641,209.57 and 260,696.48

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Solution

The fourth proportional to 464,673.11, 641,209.57 and 260,696.48 is: 359,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,673.11 : 641,209.57 = 260,696.48 : x
  2. Step 2: Convert to fraction form
    464,673.11/641,209.57 = 260,696.48/x
  3. Step 3: Cross multiply
    464,673.11x = 641,209.57 × 260,696.48
  4. Step 4: Simplify right side
    464,673.11x = 167,161,073,983.53
  5. Step 5: Solve for x
    x = 167,161,073,983.53/464,673.11
  6. Step 6: Final answer
    x = 359,739.08

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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.