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Finding the Fourth Proportional to 461,781.11, 637,251.86 and 257,835.51

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Solution

The fourth proportional to 461,781.11, 637,251.86 and 257,835.51 is: 355,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,781.11 : 637,251.86 = 257,835.51 : x
  2. Step 2: Convert to fraction form
    461,781.11/637,251.86 = 257,835.51/x
  3. Step 3: Cross multiply
    461,781.11x = 637,251.86 × 257,835.51
  4. Step 4: Simplify right side
    461,781.11x = 164,306,157,032.37
  5. Step 5: Solve for x
    x = 164,306,157,032.37/461,781.11
  6. Step 6: Final answer
    x = 355,809.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.