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Finding the Fourth Proportional to 369,577.35, 510,017.31 and 199,811.43

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Solution

The fourth proportional to 369,577.35, 510,017.31 and 199,811.43 is: 275,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,577.35 : 510,017.31 = 199,811.43 : x
  2. Step 2: Convert to fraction form
    369,577.35/510,017.31 = 199,811.43/x
  3. Step 3: Cross multiply
    369,577.35x = 510,017.31 × 199,811.43
  4. Step 4: Simplify right side
    369,577.35x = 101,907,288,035.85
  5. Step 5: Solve for x
    x = 101,907,288,035.85/369,577.35
  6. Step 6: Final answer
    x = 275,740.08

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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.