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Finding the Fourth Proportional to 467,012.26, 644,492.73 and 276,189.22

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Solution

The fourth proportional to 467,012.26, 644,492.73 and 276,189.22 is: 381,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,012.26 : 644,492.73 = 276,189.22 : x
  2. Step 2: Convert to fraction form
    467,012.26/644,492.73 = 276,189.22/x
  3. Step 3: Cross multiply
    467,012.26x = 644,492.73 × 276,189.22
  4. Step 4: Simplify right side
    467,012.26x = 178,001,944,394.37
  5. Step 5: Solve for x
    x = 178,001,944,394.37/467,012.26
  6. Step 6: Final answer
    x = 381,150.47

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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.