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Finding the Fourth Proportional to 603,904.40, 905,856.60 and 183,201.20

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Solution

The fourth proportional to 603,904.40, 905,856.60 and 183,201.20 is: 274,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,904.40 : 905,856.60 = 183,201.20 : x
  2. Step 2: Convert to fraction form
    603,904.40/905,856.60 = 183,201.20/x
  3. Step 3: Cross multiply
    603,904.40x = 905,856.60 × 183,201.20
  4. Step 4: Simplify right side
    603,904.40x = 165,954,016,147.92
  5. Step 5: Solve for x
    x = 165,954,016,147.92/603,904.40
  6. Step 6: Final answer
    x = 274,801.80

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Half scale
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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.