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Finding the Fourth Proportional to 636,734.94, 955,102.41 and 262,346.46

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Solution

The fourth proportional to 636,734.94, 955,102.41 and 262,346.46 is: 393,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,734.94 : 955,102.41 = 262,346.46 : x
  2. Step 2: Convert to fraction form
    636,734.94/955,102.41 = 262,346.46/x
  3. Step 3: Cross multiply
    636,734.94x = 955,102.41 × 262,346.46
  4. Step 4: Simplify right side
    636,734.94x = 250,567,736,200.97
  5. Step 5: Solve for x
    x = 250,567,736,200.97/636,734.94
  6. Step 6: Final answer
    x = 393,519.69

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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.