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Finding the Fourth Proportional to 483,139.92, 666,720.39 and 268,274.46

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Solution

The fourth proportional to 483,139.92, 666,720.39 and 268,274.46 is: 370,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,139.92 : 666,720.39 = 268,274.46 : x
  2. Step 2: Convert to fraction form
    483,139.92/666,720.39 = 268,274.46/x
  3. Step 3: Cross multiply
    483,139.92x = 666,720.39 × 268,274.46
  4. Step 4: Simplify right side
    483,139.92x = 178,864,052,598.24
  5. Step 5: Solve for x
    x = 178,864,052,598.24/483,139.92
  6. Step 6: Final answer
    x = 370,211.70

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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.