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Finding the Fourth Proportional to 463,550.49, 639,645.66 and 270,000.63

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Solution

The fourth proportional to 463,550.49, 639,645.66 and 270,000.63 is: 372,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,550.49 : 639,645.66 = 270,000.63 : x
  2. Step 2: Convert to fraction form
    463,550.49/639,645.66 = 270,000.63/x
  3. Step 3: Cross multiply
    463,550.49x = 639,645.66 × 270,000.63
  4. Step 4: Simplify right side
    463,550.49x = 172,704,731,176.77
  5. Step 5: Solve for x
    x = 172,704,731,176.77/463,550.49
  6. Step 6: Final answer
    x = 372,569.41

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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.