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Finding the Fourth Proportional to 273,646.60, 409,692.30 and 242,542.60

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Solution

The fourth proportional to 273,646.60, 409,692.30 and 242,542.60 is: 363,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,646.60 : 409,692.30 = 242,542.60 : x
  2. Step 2: Convert to fraction form
    273,646.60/409,692.30 = 242,542.60/x
  3. Step 3: Cross multiply
    273,646.60x = 409,692.30 × 242,542.60
  4. Step 4: Simplify right side
    273,646.60x = 99,367,835,641.98
  5. Step 5: Solve for x
    x = 99,367,835,641.98/273,646.60
  6. Step 6: Final answer
    x = 363,124.69

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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.