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Finding the Fourth Proportional to 371,391.65, 557,294.46 and 200,609.92

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Solution

The fourth proportional to 371,391.65, 557,294.46 and 200,609.92 is: 301,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,391.65 : 557,294.46 = 200,609.92 : x
  2. Step 2: Convert to fraction form
    371,391.65/557,294.46 = 200,609.92/x
  3. Step 3: Cross multiply
    371,391.65x = 557,294.46 × 200,609.92
  4. Step 4: Simplify right side
    371,391.65x = 111,798,795,643.81
  5. Step 5: Solve for x
    x = 111,798,795,643.81/371,391.65
  6. Step 6: Final answer
    x = 301,026.68

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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.