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Finding the Fourth Proportional to 650,640.65, 897,874.79 and 360,224.37

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Solution

The fourth proportional to 650,640.65, 897,874.79 and 360,224.37 is: 497,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,640.65 : 897,874.79 = 360,224.37 : x
  2. Step 2: Convert to fraction form
    650,640.65/897,874.79 = 360,224.37/x
  3. Step 3: Cross multiply
    650,640.65x = 897,874.79 × 360,224.37
  4. Step 4: Simplify right side
    650,640.65x = 323,436,378,765.51
  5. Step 5: Solve for x
    x = 323,436,378,765.51/650,640.65
  6. Step 6: Final answer
    x = 497,104.48

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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.