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Finding the Fourth Proportional to 636,965.25, 955,595.51 and 216,241.13

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Solution

The fourth proportional to 636,965.25, 955,595.51 and 216,241.13 is: 324,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965.25 : 955,595.51 = 216,241.13 : x
  2. Step 2: Convert to fraction form
    636,965.25/955,595.51 = 216,241.13/x
  3. Step 3: Cross multiply
    636,965.25x = 955,595.51 × 216,241.13
  4. Step 4: Simplify right side
    636,965.25x = 206,639,047,046.14
  5. Step 5: Solve for x
    x = 206,639,047,046.14/636,965.25
  6. Step 6: Final answer
    x = 324,411.81

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1.5x scale

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.