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Finding the Fourth Proportional to 648,522.24, 894,703.50 and 433,321.44

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Solution

The fourth proportional to 648,522.24, 894,703.50 and 433,321.44 is: 597,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,522.24 : 894,703.50 = 433,321.44 : x
  2. Step 2: Convert to fraction form
    648,522.24/894,703.50 = 433,321.44/x
  3. Step 3: Cross multiply
    648,522.24x = 894,703.50 × 433,321.44
  4. Step 4: Simplify right side
    648,522.24x = 387,694,208,993.04
  5. Step 5: Solve for x
    x = 387,694,208,993.04/648,522.24
  6. Step 6: Final answer
    x = 597,811.74

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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.