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Finding the Fourth Proportional to 272,794.91, 376,457.10 and 151,959.38

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Solution

The fourth proportional to 272,794.91, 376,457.10 and 151,959.38 is: 209,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,794.91 : 376,457.10 = 151,959.38 : x
  2. Step 2: Convert to fraction form
    272,794.91/376,457.10 = 151,959.38/x
  3. Step 3: Cross multiply
    272,794.91x = 376,457.10 × 151,959.38
  4. Step 4: Simplify right side
    272,794.91x = 57,206,187,512.60
  5. Step 5: Solve for x
    x = 57,206,187,512.60/272,794.91
  6. Step 6: Final answer
    x = 209,704.01

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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.