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Finding the Fourth Proportional to 453,468.22, 679,910.72 and 216,805.66

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Solution

The fourth proportional to 453,468.22, 679,910.72 and 216,805.66 is: 325,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,468.22 : 679,910.72 = 216,805.66 : x
  2. Step 2: Convert to fraction form
    453,468.22/679,910.72 = 216,805.66/x
  3. Step 3: Cross multiply
    453,468.22x = 679,910.72 × 216,805.66
  4. Step 4: Simplify right side
    453,468.22x = 147,408,492,390.68
  5. Step 5: Solve for x
    x = 147,408,492,390.68/453,468.22
  6. Step 6: Final answer
    x = 325,069.07

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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.