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Finding the Fourth Proportional to 444,731.56, 613,728.65 and 240,782.40

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Solution

The fourth proportional to 444,731.56, 613,728.65 and 240,782.40 is: 332,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,731.56 : 613,728.65 = 240,782.40 : x
  2. Step 2: Convert to fraction form
    444,731.56/613,728.65 = 240,782.40/x
  3. Step 3: Cross multiply
    444,731.56x = 613,728.65 × 240,782.40
  4. Step 4: Simplify right side
    444,731.56x = 147,775,057,897.72
  5. Step 5: Solve for x
    x = 147,775,057,897.72/444,731.56
  6. Step 6: Final answer
    x = 332,279.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.