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Finding the Fourth Proportional to 369,572.77, 510,011.67 and 199,808.11

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Solution

The fourth proportional to 369,572.77, 510,011.67 and 199,808.11 is: 275,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,572.77 : 510,011.67 = 199,808.11 : x
  2. Step 2: Convert to fraction form
    369,572.77/510,011.67 = 199,808.11/x
  3. Step 3: Cross multiply
    369,572.77x = 510,011.67 × 199,808.11
  4. Step 4: Simplify right side
    369,572.77x = 101,904,467,860.64
  5. Step 5: Solve for x
    x = 101,904,467,860.64/369,572.77
  6. Step 6: Final answer
    x = 275,735.87

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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.