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Finding the Fourth Proportional to 272,754.54, 376,400.32 and 151,897.28

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Solution

The fourth proportional to 272,754.54, 376,400.32 and 151,897.28 is: 209,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,754.54 : 376,400.32 = 151,897.28 : x
  2. Step 2: Convert to fraction form
    272,754.54/376,400.32 = 151,897.28/x
  3. Step 3: Cross multiply
    272,754.54x = 376,400.32 × 151,897.28
  4. Step 4: Simplify right side
    272,754.54x = 57,174,182,537.38
  5. Step 5: Solve for x
    x = 57,174,182,537.38/272,754.54
  6. Step 6: Final answer
    x = 209,617.71

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1.5x scale

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.