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Finding the Fourth Proportional to 464,838.62, 641,450.34 and 260,870.49

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Solution

The fourth proportional to 464,838.62, 641,450.34 and 260,870.49 is: 359,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,838.62 : 641,450.34 = 260,870.49 : x
  2. Step 2: Convert to fraction form
    464,838.62/641,450.34 = 260,870.49/x
  3. Step 3: Cross multiply
    464,838.62x = 641,450.34 × 260,870.49
  4. Step 4: Simplify right side
    464,838.62x = 167,335,464,506.47
  5. Step 5: Solve for x
    x = 167,335,464,506.47/464,838.62
  6. Step 6: Final answer
    x = 359,986.15

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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.