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Finding the Fourth Proportional to 369,759.60, 510,267.60 and 199,994.40

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Solution

The fourth proportional to 369,759.60, 510,267.60 and 199,994.40 is: 275,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,759.60 : 510,267.60 = 199,994.40 : x
  2. Step 2: Convert to fraction form
    369,759.60/510,267.60 = 199,994.40/x
  3. Step 3: Cross multiply
    369,759.60x = 510,267.60 × 199,994.40
  4. Step 4: Simplify right side
    369,759.60x = 102,050,662,501.44
  5. Step 5: Solve for x
    x = 102,050,662,501.44/369,759.60
  6. Step 6: Final answer
    x = 275,991.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.