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Finding the Fourth Proportional to 922,773.40, 1,384,160.10 and 603,908.80

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Solution

The fourth proportional to 922,773.40, 1,384,160.10 and 603,908.80 is: 905,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,773.40 : 1,384,160.10 = 603,908.80 : x
  2. Step 2: Convert to fraction form
    922,773.40/1,384,160.10 = 603,908.80/x
  3. Step 3: Cross multiply
    922,773.40x = 1,384,160.10 × 603,908.80
  4. Step 4: Simplify right side
    922,773.40x = 835,906,464,998.88
  5. Step 5: Solve for x
    x = 835,906,464,998.88/922,773.40
  6. Step 6: Final answer
    x = 905,863.20

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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.