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Finding the Fourth Proportional to 417,648.53, 576,271.60 and 254,195.56

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Solution

The fourth proportional to 417,648.53, 576,271.60 and 254,195.56 is: 350,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,648.53 : 576,271.60 = 254,195.56 : x
  2. Step 2: Convert to fraction form
    417,648.53/576,271.60 = 254,195.56/x
  3. Step 3: Cross multiply
    417,648.53x = 576,271.60 × 254,195.56
  4. Step 4: Simplify right side
    417,648.53x = 146,485,682,074.10
  5. Step 5: Solve for x
    x = 146,485,682,074.10/417,648.53
  6. Step 6: Final answer
    x = 350,739.13

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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.