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Finding the Fourth Proportional to 480,285.74, 662,796.38 and 262,498.80

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Solution

The fourth proportional to 480,285.74, 662,796.38 and 262,498.80 is: 362,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,285.74 : 662,796.38 = 262,498.80 : x
  2. Step 2: Convert to fraction form
    480,285.74/662,796.38 = 262,498.80/x
  3. Step 3: Cross multiply
    480,285.74x = 662,796.38 × 262,498.80
  4. Step 4: Simplify right side
    480,285.74x = 173,983,253,081.85
  5. Step 5: Solve for x
    x = 173,983,253,081.85/480,285.74
  6. Step 6: Final answer
    x = 362,249.47

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Similar ratio
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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.