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Finding the Fourth Proportional to 503,284.10, 754,692.86 and 187,656.26

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Solution

The fourth proportional to 503,284.10, 754,692.86 and 187,656.26 is: 281,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,284.10 : 754,692.86 = 187,656.26 : x
  2. Step 2: Convert to fraction form
    503,284.10/754,692.86 = 187,656.26/x
  3. Step 3: Cross multiply
    503,284.10x = 754,692.86 × 187,656.26
  4. Step 4: Simplify right side
    503,284.10x = 141,622,836,251.98
  5. Step 5: Solve for x
    x = 141,622,836,251.98/503,284.10
  6. Step 6: Final answer
    x = 281,397.40

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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.