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Finding the Fourth Proportional to 562,279.35, 843,419.07 and 162,920.40

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Solution

The fourth proportional to 562,279.35, 843,419.07 and 162,920.40 is: 244,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,279.35 : 843,419.07 = 162,920.40 : x
  2. Step 2: Convert to fraction form
    562,279.35/843,419.07 = 162,920.40/x
  3. Step 3: Cross multiply
    562,279.35x = 843,419.07 × 162,920.40
  4. Step 4: Simplify right side
    562,279.35x = 137,410,172,252.03
  5. Step 5: Solve for x
    x = 137,410,172,252.03/562,279.35
  6. Step 6: Final answer
    x = 244,380.61

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Similar ratio
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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.