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Finding the Fourth Proportional to 503,292.84, 754,705.98 and 187,665

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Solution

The fourth proportional to 503,292.84, 754,705.98 and 187,665 is: 281,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,292.84 : 754,705.98 = 187,665 : x
  2. Step 2: Convert to fraction form
    503,292.84/754,705.98 = 187,665/x
  3. Step 3: Cross multiply
    503,292.84x = 754,705.98 × 187,665
  4. Step 4: Simplify right side
    503,292.84x = 141,631,897,736.70
  5. Step 5: Solve for x
    x = 141,631,897,736.70/503,292.84
  6. Step 6: Final answer
    x = 281,410.52

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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.