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Finding the Fourth Proportional to 362,239.40, 542,840.70 and 251,301.80

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Solution

The fourth proportional to 362,239.40, 542,840.70 and 251,301.80 is: 376,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,239.40 : 542,840.70 = 251,301.80 : x
  2. Step 2: Convert to fraction form
    362,239.40/542,840.70 = 251,301.80/x
  3. Step 3: Cross multiply
    362,239.40x = 542,840.70 × 251,301.80
  4. Step 4: Simplify right side
    362,239.40x = 136,416,845,023.26
  5. Step 5: Solve for x
    x = 136,416,845,023.26/362,239.40
  6. Step 6: Final answer
    x = 376,593.06

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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.