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Finding the Fourth Proportional to 618,074.80, 926,881.80 and 244,020.40

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Solution

The fourth proportional to 618,074.80, 926,881.80 and 244,020.40 is: 365,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,074.80 : 926,881.80 = 244,020.40 : x
  2. Step 2: Convert to fraction form
    618,074.80/926,881.80 = 244,020.40/x
  3. Step 3: Cross multiply
    618,074.80x = 926,881.80 × 244,020.40
  4. Step 4: Simplify right side
    618,074.80x = 226,178,067,588.72
  5. Step 5: Solve for x
    x = 226,178,067,588.72/618,074.80
  6. Step 6: Final answer
    x = 365,939.64

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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.