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Finding the Fourth Proportional to 636,738.94, 955,108.42 and 262,350.46

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Solution

The fourth proportional to 636,738.94, 955,108.42 and 262,350.46 is: 393,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,738.94 : 955,108.42 = 262,350.46 : x
  2. Step 2: Convert to fraction form
    636,738.94/955,108.42 = 262,350.46/x
  3. Step 3: Cross multiply
    636,738.94x = 955,108.42 × 262,350.46
  4. Step 4: Simplify right side
    636,738.94x = 250,573,133,336.87
  5. Step 5: Solve for x
    x = 250,573,133,336.87/636,738.94
  6. Step 6: Final answer
    x = 393,525.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.