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Finding the Fourth Proportional to 618,113.81, 927,437.07 and 333,747.92

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Solution

The fourth proportional to 618,113.81, 927,437.07 and 333,747.92 is: 500,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,113.81 : 927,437.07 = 333,747.92 : x
  2. Step 2: Convert to fraction form
    618,113.81/927,437.07 = 333,747.92/x
  3. Step 3: Cross multiply
    618,113.81x = 927,437.07 × 333,747.92
  4. Step 4: Simplify right side
    618,113.81x = 309,530,193,043.39
  5. Step 5: Solve for x
    x = 309,530,193,043.39/618,113.81
  6. Step 6: Final answer
    x = 500,765.70

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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.