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Finding the Fourth Proportional to 467,017.28, 644,499.64 and 276,194.24

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Solution

The fourth proportional to 467,017.28, 644,499.64 and 276,194.24 is: 381,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,017.28 : 644,499.64 = 276,194.24 : x
  2. Step 2: Convert to fraction form
    467,017.28/644,499.64 = 276,194.24/x
  3. Step 3: Cross multiply
    467,017.28x = 644,499.64 × 276,194.24
  4. Step 4: Simplify right side
    467,017.28x = 178,007,088,250.07
  5. Step 5: Solve for x
    x = 178,007,088,250.07/467,017.28
  6. Step 6: Final answer
    x = 381,157.39

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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.