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Finding the Fourth Proportional to 381,336.93, 569,263.88 and 353,654.37

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Solution

The fourth proportional to 381,336.93, 569,263.88 and 353,654.37 is: 527,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,336.93 : 569,263.88 = 353,654.37 : x
  2. Step 2: Convert to fraction form
    381,336.93/569,263.88 = 353,654.37/x
  3. Step 3: Cross multiply
    381,336.93x = 569,263.88 × 353,654.37
  4. Step 4: Simplify right side
    381,336.93x = 201,322,659,729.29
  5. Step 5: Solve for x
    x = 201,322,659,729.29/381,336.93
  6. Step 6: Final answer
    x = 527,939.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.