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Finding the Fourth Proportional to 567,991.95, 850,511.70 and 448,909.80

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Solution

The fourth proportional to 567,991.95, 850,511.70 and 448,909.80 is: 672,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,991.95 : 850,511.70 = 448,909.80 : x
  2. Step 2: Convert to fraction form
    567,991.95/850,511.70 = 448,909.80/x
  3. Step 3: Cross multiply
    567,991.95x = 850,511.70 × 448,909.80
  4. Step 4: Simplify right side
    567,991.95x = 381,803,037,144.66
  5. Step 5: Solve for x
    x = 381,803,037,144.66/567,991.95
  6. Step 6: Final answer
    x = 672,197.97

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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.