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Finding the Fourth Proportional to 461,690.00, 637,164.29 and 257,781.01

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Solution

The fourth proportional to 461,690.00, 637,164.29 and 257,781.01 is: 355,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,690.00 : 637,164.29 = 257,781.01 : x
  2. Step 2: Convert to fraction form
    461,690.00/637,164.29 = 257,781.01/x
  3. Step 3: Cross multiply
    461,690.00x = 637,164.29 × 257,781.01
  4. Step 4: Simplify right side
    461,690.00x = 164,248,853,263.68
  5. Step 5: Solve for x
    x = 164,248,853,263.68/461,690.00
  6. Step 6: Final answer
    x = 355,755.71

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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.