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Finding the Fourth Proportional to 481,685.85, 664,509.96 and 360,832.23

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Solution

The fourth proportional to 481,685.85, 664,509.96 and 360,832.23 is: 497,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,685.85 : 664,509.96 = 360,832.23 : x
  2. Step 2: Convert to fraction form
    481,685.85/664,509.96 = 360,832.23/x
  3. Step 3: Cross multiply
    481,685.85x = 664,509.96 × 360,832.23
  4. Step 4: Simplify right side
    481,685.85x = 239,776,610,724.01
  5. Step 5: Solve for x
    x = 239,776,610,724.01/481,685.85
  6. Step 6: Final answer
    x = 497,786.29

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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.