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Finding the Fourth Proportional to 576,060.86, 864,090.32 and 238,876.49

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Solution

The fourth proportional to 576,060.86, 864,090.32 and 238,876.49 is: 358,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,060.86 : 864,090.32 = 238,876.49 : x
  2. Step 2: Convert to fraction form
    576,060.86/864,090.32 = 238,876.49/x
  3. Step 3: Cross multiply
    576,060.86x = 864,090.32 × 238,876.49
  4. Step 4: Simplify right side
    576,060.86x = 206,410,857,169.74
  5. Step 5: Solve for x
    x = 206,410,857,169.74/576,060.86
  6. Step 6: Final answer
    x = 358,314.33

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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.