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Finding the Fourth Proportional to 493,267.60, 739,901.40 and 440,736.40

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Solution

The fourth proportional to 493,267.60, 739,901.40 and 440,736.40 is: 661,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,267.60 : 739,901.40 = 440,736.40 : x
  2. Step 2: Convert to fraction form
    493,267.60/739,901.40 = 440,736.40/x
  3. Step 3: Cross multiply
    493,267.60x = 739,901.40 × 440,736.40
  4. Step 4: Simplify right side
    493,267.60x = 326,101,479,390.96
  5. Step 5: Solve for x
    x = 326,101,479,390.96/493,267.60
  6. Step 6: Final answer
    x = 661,104.60

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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.