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Finding the Fourth Proportional to 272,859, 376,530.78 and 150,347.58

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Solution

The fourth proportional to 272,859, 376,530.78 and 150,347.58 is: 207,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,859 : 376,530.78 = 150,347.58 : x
  2. Step 2: Convert to fraction form
    272,859/376,530.78 = 150,347.58/x
  3. Step 3: Cross multiply
    272,859x = 376,530.78 × 150,347.58
  4. Step 4: Simplify right side
    272,859x = 56,610,491,568.51
  5. Step 5: Solve for x
    x = 56,610,491,568.51/272,859
  6. Step 6: Final answer
    x = 207,471.59

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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.