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Finding the Fourth Proportional to 480,474.92, 663,057.49 and 262,688.20

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Solution

The fourth proportional to 480,474.92, 663,057.49 and 262,688.20 is: 362,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,474.92 : 663,057.49 = 262,688.20 : x
  2. Step 2: Convert to fraction form
    480,474.92/663,057.49 = 262,688.20/x
  3. Step 3: Cross multiply
    480,474.92x = 663,057.49 × 262,688.20
  4. Step 4: Simplify right side
    480,474.92x = 174,177,378,544.62
  5. Step 5: Solve for x
    x = 174,177,378,544.62/480,474.92
  6. Step 6: Final answer
    x = 362,510.86

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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.