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Finding the Fourth Proportional to 576,991.83, 865,514.48 and 177,650.49

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Solution

The fourth proportional to 576,991.83, 865,514.48 and 177,650.49 is: 266,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,991.83 : 865,514.48 = 177,650.49 : x
  2. Step 2: Convert to fraction form
    576,991.83/865,514.48 = 177,650.49/x
  3. Step 3: Cross multiply
    576,991.83x = 865,514.48 × 177,650.49
  4. Step 4: Simplify right side
    576,991.83x = 153,759,070,585.84
  5. Step 5: Solve for x
    x = 153,759,070,585.84/576,991.83
  6. Step 6: Final answer
    x = 266,483.96

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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.