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Finding the Fourth Proportional to 487,553.92, 731,408.80 and 150,515.34

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Solution

The fourth proportional to 487,553.92, 731,408.80 and 150,515.34 is: 225,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,553.92 : 731,408.80 = 150,515.34 : x
  2. Step 2: Convert to fraction form
    487,553.92/731,408.80 = 150,515.34/x
  3. Step 3: Cross multiply
    487,553.92x = 731,408.80 × 150,515.34
  4. Step 4: Simplify right side
    487,553.92x = 110,088,244,210.99
  5. Step 5: Solve for x
    x = 110,088,244,210.99/487,553.92
  6. Step 6: Final answer
    x = 225,797.07

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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.