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Finding the Fourth Proportional to 618,105.16, 927,474.16 and 294,259.76

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Solution

The fourth proportional to 618,105.16, 927,474.16 and 294,259.76 is: 441,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,105.16 : 927,474.16 = 294,259.76 : x
  2. Step 2: Convert to fraction form
    618,105.16/927,474.16 = 294,259.76/x
  3. Step 3: Cross multiply
    618,105.16x = 927,474.16 × 294,259.76
  4. Step 4: Simplify right side
    618,105.16x = 272,918,323,727.80
  5. Step 5: Solve for x
    x = 272,918,323,727.80/618,105.16
  6. Step 6: Final answer
    x = 441,540.28

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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.