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Finding the Fourth Proportional to 501,803.43, 692,490.77 and 272,361

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Solution

The fourth proportional to 501,803.43, 692,490.77 and 272,361 is: 375,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,803.43 : 692,490.77 = 272,361 : x
  2. Step 2: Convert to fraction form
    501,803.43/692,490.77 = 272,361/x
  3. Step 3: Cross multiply
    501,803.43x = 692,490.77 × 272,361
  4. Step 4: Simplify right side
    501,803.43x = 188,607,478,607.97
  5. Step 5: Solve for x
    x = 188,607,478,607.97/501,803.43
  6. Step 6: Final answer
    x = 375,859.29

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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.