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Finding the Fourth Proportional to 450,200.82, 621,208.17 and 259,177.30

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Solution

The fourth proportional to 450,200.82, 621,208.17 and 259,177.30 is: 357,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,200.82 : 621,208.17 = 259,177.30 : x
  2. Step 2: Convert to fraction form
    450,200.82/621,208.17 = 259,177.30/x
  3. Step 3: Cross multiply
    450,200.82x = 621,208.17 × 259,177.30
  4. Step 4: Simplify right side
    450,200.82x = 161,003,056,238.54
  5. Step 5: Solve for x
    x = 161,003,056,238.54/450,200.82
  6. Step 6: Final answer
    x = 357,624.97

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1.5x scale

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.