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Finding the Fourth Proportional to 503,191.84, 754,763.10 and 187,624.06

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Solution

The fourth proportional to 503,191.84, 754,763.10 and 187,624.06 is: 281,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,191.84 : 754,763.10 = 187,624.06 : x
  2. Step 2: Convert to fraction form
    503,191.84/754,763.10 = 187,624.06/x
  3. Step 3: Cross multiply
    503,191.84x = 754,763.10 × 187,624.06
  4. Step 4: Simplify right side
    503,191.84x = 141,611,717,160.19
  5. Step 5: Solve for x
    x = 141,611,717,160.19/503,191.84
  6. Step 6: Final answer
    x = 281,426.90

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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.