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Finding the Fourth Proportional to 344,996.13, 517,319.19 and 157,847.25

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Solution

The fourth proportional to 344,996.13, 517,319.19 and 157,847.25 is: 236,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,996.13 : 517,319.19 = 157,847.25 : x
  2. Step 2: Convert to fraction form
    344,996.13/517,319.19 = 157,847.25/x
  3. Step 3: Cross multiply
    344,996.13x = 517,319.19 × 157,847.25
  4. Step 4: Simplify right side
    344,996.13x = 81,657,411,513.73
  5. Step 5: Solve for x
    x = 81,657,411,513.73/344,996.13
  6. Step 6: Final answer
    x = 236,690.80

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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.