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Finding the Fourth Proportional to 365,955,532.80, 548,429,414.40 and 242,783,692.80

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Solution

The fourth proportional to 365,955,532.80, 548,429,414.40 and 242,783,692.80 is: 363,841,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,955,532.80 : 548,429,414.40 = 242,783,692.80 : x
  2. Step 2: Convert to fraction form
    365,955,532.80/548,429,414.40 = 242,783,692.80/x
  3. Step 3: Cross multiply
    365,955,532.80x = 548,429,414.40 × 242,783,692.80
  4. Step 4: Simplify right side
    365,955,532.80x = 133,149,718,468,173,504
  5. Step 5: Solve for x
    x = 133,149,718,468,173,504/365,955,532.80
  6. Step 6: Final answer
    x = 363,841,249.92

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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.