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Finding the Fourth Proportional to 550,611.66, 825,359.78 and 373,136.60

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Solution

The fourth proportional to 550,611.66, 825,359.78 and 373,136.60 is: 559,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,611.66 : 825,359.78 = 373,136.60 : x
  2. Step 2: Convert to fraction form
    550,611.66/825,359.78 = 373,136.60/x
  3. Step 3: Cross multiply
    550,611.66x = 825,359.78 × 373,136.60
  4. Step 4: Simplify right side
    550,611.66x = 307,971,942,085.95
  5. Step 5: Solve for x
    x = 307,971,942,085.95/550,611.66
  6. Step 6: Final answer
    x = 559,326.95

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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.