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Finding the Fourth Proportional to 364,554, 503,003.99 and 211,503.54

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Solution

The fourth proportional to 364,554, 503,003.99 and 211,503.54 is: 291,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,554 : 503,003.99 = 211,503.54 : x
  2. Step 2: Convert to fraction form
    364,554/503,003.99 = 211,503.54/x
  3. Step 3: Cross multiply
    364,554x = 503,003.99 × 211,503.54
  4. Step 4: Simplify right side
    364,554x = 106,387,124,519.13
  5. Step 5: Solve for x
    x = 106,387,124,519.13/364,554
  6. Step 6: Final answer
    x = 291,828.16

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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.