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Finding the Fourth Proportional to 464,828.88, 641,411 and 260,837.68

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Solution

The fourth proportional to 464,828.88, 641,411 and 260,837.68 is: 359,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,828.88 : 641,411 = 260,837.68 : x
  2. Step 2: Convert to fraction form
    464,828.88/641,411 = 260,837.68/x
  3. Step 3: Cross multiply
    464,828.88x = 641,411 × 260,837.68
  4. Step 4: Simplify right side
    464,828.88x = 167,304,157,166.48
  5. Step 5: Solve for x
    x = 167,304,157,166.48/464,828.88
  6. Step 6: Final answer
    x = 359,926.34

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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.