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Finding the Fourth Proportional to 654,300.60, 981,450.90 and 496,836.60

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Solution

The fourth proportional to 654,300.60, 981,450.90 and 496,836.60 is: 745,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,300.60 : 981,450.90 = 496,836.60 : x
  2. Step 2: Convert to fraction form
    654,300.60/981,450.90 = 496,836.60/x
  3. Step 3: Cross multiply
    654,300.60x = 981,450.90 × 496,836.60
  4. Step 4: Simplify right side
    654,300.60x = 487,620,728,222.94
  5. Step 5: Solve for x
    x = 487,620,728,222.94/654,300.60
  6. Step 6: Final answer
    x = 745,254.90

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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.