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Finding the Fourth Proportional to 470,457.92, 649,260.96 and 269,249.60

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Solution

The fourth proportional to 470,457.92, 649,260.96 and 269,249.60 is: 371,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,457.92 : 649,260.96 = 269,249.60 : x
  2. Step 2: Convert to fraction form
    470,457.92/649,260.96 = 269,249.60/x
  3. Step 3: Cross multiply
    470,457.92x = 649,260.96 × 269,249.60
  4. Step 4: Simplify right side
    470,457.92x = 174,813,253,775.62
  5. Step 5: Solve for x
    x = 174,813,253,775.62/470,457.92
  6. Step 6: Final answer
    x = 371,581.06

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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.