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Finding the Fourth Proportional to 636,972.51, 955,606.39 and 216,248.37

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Solution

The fourth proportional to 636,972.51, 955,606.39 and 216,248.37 is: 324,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,972.51 : 955,606.39 = 216,248.37 : x
  2. Step 2: Convert to fraction form
    636,972.51/955,606.39 = 216,248.37/x
  3. Step 3: Cross multiply
    636,972.51x = 955,606.39 × 216,248.37
  4. Step 4: Simplify right side
    636,972.51x = 206,648,323,117.84
  5. Step 5: Solve for x
    x = 206,648,323,117.84/636,972.51
  6. Step 6: Final answer
    x = 324,422.67

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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.