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Finding the Fourth Proportional to 372,600, 514,188 and 202,824

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Solution

The fourth proportional to 372,600, 514,188 and 202,824 is: 279,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,600 : 514,188 = 202,824 : x
  2. Step 2: Convert to fraction form
    372,600/514,188 = 202,824/x
  3. Step 3: Cross multiply
    372,600x = 514,188 × 202,824
  4. Step 4: Simplify right side
    372,600x = 104,289,666,912
  5. Step 5: Solve for x
    x = 104,289,666,912/372,600
  6. Step 6: Final answer
    x = 279,897.12

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