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Finding the Fourth Proportional to 576,375.57, 864,544.91 and 260,832.47

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Solution

The fourth proportional to 576,375.57, 864,544.91 and 260,832.47 is: 391,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,375.57 : 864,544.91 = 260,832.47 : x
  2. Step 2: Convert to fraction form
    576,375.57/864,544.91 = 260,832.47/x
  3. Step 3: Cross multiply
    576,375.57x = 864,544.91 × 260,832.47
  4. Step 4: Simplify right side
    576,375.57x = 225,501,378,674.34
  5. Step 5: Solve for x
    x = 225,501,378,674.34/576,375.57
  6. Step 6: Final answer
    x = 391,240.35

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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.