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Finding the Fourth Proportional to 503,283.72, 754,692.30 and 187,655.88

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Solution

The fourth proportional to 503,283.72, 754,692.30 and 187,655.88 is: 281,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,283.72 : 754,692.30 = 187,655.88 : x
  2. Step 2: Convert to fraction form
    503,283.72/754,692.30 = 187,655.88/x
  3. Step 3: Cross multiply
    503,283.72x = 754,692.30 × 187,655.88
  4. Step 4: Simplify right side
    503,283.72x = 141,622,447,685.72
  5. Step 5: Solve for x
    x = 141,622,447,685.72/503,283.72
  6. Step 6: Final answer
    x = 281,396.84

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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.