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Finding the Fourth Proportional to 334,692.40, 502,427.40 and 201,722.80

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Solution

The fourth proportional to 334,692.40, 502,427.40 and 201,722.80 is: 302,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,692.40 : 502,427.40 = 201,722.80 : x
  2. Step 2: Convert to fraction form
    334,692.40/502,427.40 = 201,722.80/x
  3. Step 3: Cross multiply
    334,692.40x = 502,427.40 × 201,722.80
  4. Step 4: Simplify right side
    334,692.40x = 101,351,061,924.72
  5. Step 5: Solve for x
    x = 101,351,061,924.72/334,692.40
  6. Step 6: Final answer
    x = 302,818.53

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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.