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Finding the Fourth Proportional to 577,758.15, 866,939.46 and 236,454.93

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Solution

The fourth proportional to 577,758.15, 866,939.46 and 236,454.93 is: 354,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,758.15 : 866,939.46 = 236,454.93 : x
  2. Step 2: Convert to fraction form
    577,758.15/866,939.46 = 236,454.93/x
  3. Step 3: Cross multiply
    577,758.15x = 866,939.46 × 236,454.93
  4. Step 4: Simplify right side
    577,758.15x = 204,992,109,328.54
  5. Step 5: Solve for x
    x = 204,992,109,328.54/577,758.15
  6. Step 6: Final answer
    x = 354,806.09

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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.