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Finding the Fourth Proportional to 332,692.80, 498,164.40 and 243,463.20

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Solution

The fourth proportional to 332,692.80, 498,164.40 and 243,463.20 is: 364,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,692.80 : 498,164.40 = 243,463.20 : x
  2. Step 2: Convert to fraction form
    332,692.80/498,164.40 = 243,463.20/x
  3. Step 3: Cross multiply
    332,692.80x = 498,164.40 × 243,463.20
  4. Step 4: Simplify right side
    332,692.80x = 121,284,698,950.08
  5. Step 5: Solve for x
    x = 121,284,698,950.08/332,692.80
  6. Step 6: Final answer
    x = 364,554.63

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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.