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Finding the Fourth Proportional to 875,471.64, 1,313,220.60 and 244,388.76

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Solution

The fourth proportional to 875,471.64, 1,313,220.60 and 244,388.76 is: 366,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,471.64 : 1,313,220.60 = 244,388.76 : x
  2. Step 2: Convert to fraction form
    875,471.64/1,313,220.60 = 244,388.76/x
  3. Step 3: Cross multiply
    875,471.64x = 1,313,220.60 × 244,388.76
  4. Step 4: Simplify right side
    875,471.64x = 320,936,354,040.46
  5. Step 5: Solve for x
    x = 320,936,354,040.46/875,471.64
  6. Step 6: Final answer
    x = 366,586.81

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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.