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Finding the Fourth Proportional to 580,626.34, 870,994.32 and 225,667.60

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Solution

The fourth proportional to 580,626.34, 870,994.32 and 225,667.60 is: 338,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,626.34 : 870,994.32 = 225,667.60 : x
  2. Step 2: Convert to fraction form
    580,626.34/870,994.32 = 225,667.60/x
  3. Step 3: Cross multiply
    580,626.34x = 870,994.32 × 225,667.60
  4. Step 4: Simplify right side
    580,626.34x = 196,555,197,808.03
  5. Step 5: Solve for x
    x = 196,555,197,808.03/580,626.34
  6. Step 6: Final answer
    x = 338,522.70

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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.