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Finding the Fourth Proportional to 373,897.06, 515,899.11 and 237,881.50

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Solution

The fourth proportional to 373,897.06, 515,899.11 and 237,881.50 is: 328,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,897.06 : 515,899.11 = 237,881.50 : x
  2. Step 2: Convert to fraction form
    373,897.06/515,899.11 = 237,881.50/x
  3. Step 3: Cross multiply
    373,897.06x = 515,899.11 × 237,881.50
  4. Step 4: Simplify right side
    373,897.06x = 122,722,854,135.47
  5. Step 5: Solve for x
    x = 122,722,854,135.47/373,897.06
  6. Step 6: Final answer
    x = 328,226.31

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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.