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Finding the Fourth Proportional to 576,079.24, 864,559.92 and 260,757.58

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Solution

The fourth proportional to 576,079.24, 864,559.92 and 260,757.58 is: 391,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,079.24 : 864,559.92 = 260,757.58 : x
  2. Step 2: Convert to fraction form
    576,079.24/864,559.92 = 260,757.58/x
  3. Step 3: Cross multiply
    576,079.24x = 864,559.92 × 260,757.58
  4. Step 4: Simplify right side
    576,079.24x = 225,440,552,504.19
  5. Step 5: Solve for x
    x = 225,440,552,504.19/576,079.24
  6. Step 6: Final answer
    x = 391,336.01

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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.