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Finding the Fourth Proportional to 369,628.26, 510,049.08 and 272,883.48

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Solution

The fourth proportional to 369,628.26, 510,049.08 and 272,883.48 is: 376,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,628.26 : 510,049.08 = 272,883.48 : x
  2. Step 2: Convert to fraction form
    369,628.26/510,049.08 = 272,883.48/x
  3. Step 3: Cross multiply
    369,628.26x = 510,049.08 × 272,883.48
  4. Step 4: Simplify right side
    369,628.26x = 139,183,967,921.20
  5. Step 5: Solve for x
    x = 139,183,967,921.20/369,628.26
  6. Step 6: Final answer
    x = 376,551.21

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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.