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Finding the Fourth Proportional to 558,375.82, 838,047.30 and 292,322.44

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Solution

The fourth proportional to 558,375.82, 838,047.30 and 292,322.44 is: 438,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,375.82 : 838,047.30 = 292,322.44 : x
  2. Step 2: Convert to fraction form
    558,375.82/838,047.30 = 292,322.44/x
  3. Step 3: Cross multiply
    558,375.82x = 838,047.30 × 292,322.44
  4. Step 4: Simplify right side
    558,375.82x = 244,980,031,571.41
  5. Step 5: Solve for x
    x = 244,980,031,571.41/558,375.82
  6. Step 6: Final answer
    x = 438,736.82

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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.