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Finding the Fourth Proportional to 480,286.74, 662,797.76 and 262,499.80

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Solution

The fourth proportional to 480,286.74, 662,797.76 and 262,499.80 is: 362,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,286.74 : 662,797.76 = 262,499.80 : x
  2. Step 2: Convert to fraction form
    480,286.74/662,797.76 = 262,499.80/x
  3. Step 3: Cross multiply
    480,286.74x = 662,797.76 × 262,499.80
  4. Step 4: Simplify right side
    480,286.74x = 173,984,279,440.45
  5. Step 5: Solve for x
    x = 173,984,279,440.45/480,286.74
  6. Step 6: Final answer
    x = 362,250.85

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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.