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Finding the Fourth Proportional to 272,846.54, 376,478.24 and 151,984.82

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Solution

The fourth proportional to 272,846.54, 376,478.24 and 151,984.82 is: 209,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,846.54 : 376,478.24 = 151,984.82 : x
  2. Step 2: Convert to fraction form
    272,846.54/376,478.24 = 151,984.82/x
  3. Step 3: Cross multiply
    272,846.54x = 376,478.24 × 151,984.82
  4. Step 4: Simplify right side
    272,846.54x = 57,218,977,540.32
  5. Step 5: Solve for x
    x = 57,218,977,540.32/272,846.54
  6. Step 6: Final answer
    x = 209,711.21

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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.