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Finding the Fourth Proportional to 503,611.12, 754,815.81 and 350,981.71

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Solution

The fourth proportional to 503,611.12, 754,815.81 and 350,981.71 is: 526,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,611.12 : 754,815.81 = 350,981.71 : x
  2. Step 2: Convert to fraction form
    503,611.12/754,815.81 = 350,981.71/x
  3. Step 3: Cross multiply
    503,611.12x = 754,815.81 × 350,981.71
  4. Step 4: Simplify right side
    503,611.12x = 264,926,543,157.98
  5. Step 5: Solve for x
    x = 264,926,543,157.98/503,611.12
  6. Step 6: Final answer
    x = 526,053.80

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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.