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Finding the Fourth Proportional to 800,362.92, 1,104,459.60 and 437,716.20

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Solution

The fourth proportional to 800,362.92, 1,104,459.60 and 437,716.20 is: 604,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,362.92 : 1,104,459.60 = 437,716.20 : x
  2. Step 2: Convert to fraction form
    800,362.92/1,104,459.60 = 437,716.20/x
  3. Step 3: Cross multiply
    800,362.92x = 1,104,459.60 × 437,716.20
  4. Step 4: Simplify right side
    800,362.92x = 483,439,859,165.52
  5. Step 5: Solve for x
    x = 483,439,859,165.52/800,362.92
  6. Step 6: Final answer
    x = 604,025.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.