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Finding the Fourth Proportional to 335,622.84, 503,379.20 and 92,407.18

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Solution

The fourth proportional to 335,622.84, 503,379.20 and 92,407.18 is: 138,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,622.84 : 503,379.20 = 92,407.18 : x
  2. Step 2: Convert to fraction form
    335,622.84/503,379.20 = 92,407.18/x
  3. Step 3: Cross multiply
    335,622.84x = 503,379.20 × 92,407.18
  4. Step 4: Simplify right side
    335,622.84x = 46,515,853,202.90
  5. Step 5: Solve for x
    x = 46,515,853,202.90/335,622.84
  6. Step 6: Final answer
    x = 138,595.61

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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.