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Finding the Fourth Proportional to 356,999.12, 535,548.78 and 104,298.14

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Solution

The fourth proportional to 356,999.12, 535,548.78 and 104,298.14 is: 156,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,999.12 : 535,548.78 = 104,298.14 : x
  2. Step 2: Convert to fraction form
    356,999.12/535,548.78 = 104,298.14/x
  3. Step 3: Cross multiply
    356,999.12x = 535,548.78 × 104,298.14
  4. Step 4: Simplify right side
    356,999.12x = 55,856,741,633.27
  5. Step 5: Solve for x
    x = 55,856,741,633.27/356,999.12
  6. Step 6: Final answer
    x = 156,461.85

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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.