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Finding the Fourth Proportional to 466,626.50, 644,143.62 and 313,753.30

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Solution

The fourth proportional to 466,626.50, 644,143.62 and 313,753.30 is: 433,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,626.50 : 644,143.62 = 313,753.30 : x
  2. Step 2: Convert to fraction form
    466,626.50/644,143.62 = 313,753.30/x
  3. Step 3: Cross multiply
    466,626.50x = 644,143.62 × 313,753.30
  4. Step 4: Simplify right side
    466,626.50x = 202,102,184,880.18
  5. Step 5: Solve for x
    x = 202,102,184,880.18/466,626.50
  6. Step 6: Final answer
    x = 433,113.39

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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.