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Finding the Fourth Proportional to 576,991.58, 865,514.10 and 177,650.24

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Solution

The fourth proportional to 576,991.58, 865,514.10 and 177,650.24 is: 266,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,991.58 : 865,514.10 = 177,650.24 : x
  2. Step 2: Convert to fraction form
    576,991.58/865,514.10 = 177,650.24/x
  3. Step 3: Cross multiply
    576,991.58x = 865,514.10 × 177,650.24
  4. Step 4: Simplify right side
    576,991.58x = 153,758,787,588.38
  5. Step 5: Solve for x
    x = 153,758,787,588.38/576,991.58
  6. Step 6: Final answer
    x = 266,483.59

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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.