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Finding the Fourth Proportional to 464,753.57, 641,372.65 and 260,816.96

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Solution

The fourth proportional to 464,753.57, 641,372.65 and 260,816.96 is: 359,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,753.57 : 641,372.65 = 260,816.96 : x
  2. Step 2: Convert to fraction form
    464,753.57/641,372.65 = 260,816.96/x
  3. Step 3: Cross multiply
    464,753.57x = 641,372.65 × 260,816.96
  4. Step 4: Simplify right side
    464,753.57x = 167,280,865,751.53
  5. Step 5: Solve for x
    x = 167,280,865,751.53/464,753.57
  6. Step 6: Final answer
    x = 359,934.55

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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.