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Finding the Fourth Proportional to 393,136.94, 588,888.93 and 250,275.72

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Solution

The fourth proportional to 393,136.94, 588,888.93 and 250,275.72 is: 374,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,136.94 : 588,888.93 = 250,275.72 : x
  2. Step 2: Convert to fraction form
    393,136.94/588,888.93 = 250,275.72/x
  3. Step 3: Cross multiply
    393,136.94x = 588,888.93 × 250,275.72
  4. Step 4: Simplify right side
    393,136.94x = 147,384,604,102.65
  5. Step 5: Solve for x
    x = 147,384,604,102.65/393,136.94
  6. Step 6: Final answer
    x = 374,893.80

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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.