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Finding the Fourth Proportional to 489,200.70, 733,436.55 and 252,713.10

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Solution

The fourth proportional to 489,200.70, 733,436.55 and 252,713.10 is: 378,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,200.70 : 733,436.55 = 252,713.10 : x
  2. Step 2: Convert to fraction form
    489,200.70/733,436.55 = 252,713.10/x
  3. Step 3: Cross multiply
    489,200.70x = 733,436.55 × 252,713.10
  4. Step 4: Simplify right side
    489,200.70x = 185,349,024,203.81
  5. Step 5: Solve for x
    x = 185,349,024,203.81/489,200.70
  6. Step 6: Final answer
    x = 378,881.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.