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Finding the Fourth Proportional to 581,296.60, 871,944.90 and 404,003.80

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Solution

The fourth proportional to 581,296.60, 871,944.90 and 404,003.80 is: 606,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,296.60 : 871,944.90 = 404,003.80 : x
  2. Step 2: Convert to fraction form
    581,296.60/871,944.90 = 404,003.80/x
  3. Step 3: Cross multiply
    581,296.60x = 871,944.90 × 404,003.80
  4. Step 4: Simplify right side
    581,296.60x = 352,269,052,990.62
  5. Step 5: Solve for x
    x = 352,269,052,990.62/581,296.60
  6. Step 6: Final answer
    x = 606,005.70

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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.