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Finding the Fourth Proportional to 450,624.76, 621,892.26 and 259,650.52

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Solution

The fourth proportional to 450,624.76, 621,892.26 and 259,650.52 is: 358,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,624.76 : 621,892.26 = 259,650.52 : x
  2. Step 2: Convert to fraction form
    450,624.76/621,892.26 = 259,650.52/x
  3. Step 3: Cross multiply
    450,624.76x = 621,892.26 × 259,650.52
  4. Step 4: Simplify right side
    450,624.76x = 161,474,648,692.98
  5. Step 5: Solve for x
    x = 161,474,648,692.98/450,624.76
  6. Step 6: Final answer
    x = 358,335.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.