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Finding the Fourth Proportional to 580,796.19, 870,859.08 and 225,394.83

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Solution

The fourth proportional to 580,796.19, 870,859.08 and 225,394.83 is: 337,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,796.19 : 870,859.08 = 225,394.83 : x
  2. Step 2: Convert to fraction form
    580,796.19/870,859.08 = 225,394.83/x
  3. Step 3: Cross multiply
    580,796.19x = 870,859.08 × 225,394.83
  4. Step 4: Simplify right side
    580,796.19x = 196,287,134,290.56
  5. Step 5: Solve for x
    x = 196,287,134,290.56/580,796.19
  6. Step 6: Final answer
    x = 337,962.16

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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.