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Finding the Fourth Proportional to 618,015.40, 927,367.54 and 333,699.92

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Solution

The fourth proportional to 618,015.40, 927,367.54 and 333,699.92 is: 500,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,015.40 : 927,367.54 = 333,699.92 : x
  2. Step 2: Convert to fraction form
    618,015.40/927,367.54 = 333,699.92/x
  3. Step 3: Cross multiply
    618,015.40x = 927,367.54 × 333,699.92
  4. Step 4: Simplify right side
    618,015.40x = 309,462,473,908.60
  5. Step 5: Solve for x
    x = 309,462,473,908.60/618,015.40
  6. Step 6: Final answer
    x = 500,735.86

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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.