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Finding the Fourth Proportional to 618,178.08, 927,267.12 and 337,542.24

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Solution

The fourth proportional to 618,178.08, 927,267.12 and 337,542.24 is: 506,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,178.08 : 927,267.12 = 337,542.24 : x
  2. Step 2: Convert to fraction form
    618,178.08/927,267.12 = 337,542.24/x
  3. Step 3: Cross multiply
    618,178.08x = 927,267.12 × 337,542.24
  4. Step 4: Simplify right side
    618,178.08x = 312,991,820,763.15
  5. Step 5: Solve for x
    x = 312,991,820,763.15/618,178.08
  6. Step 6: Final answer
    x = 506,313.36

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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.