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Finding the Fourth Proportional to 469,241.30, 647,556.32 and 254,384.75

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Solution

The fourth proportional to 469,241.30, 647,556.32 and 254,384.75 is: 351,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,241.30 : 647,556.32 = 254,384.75 : x
  2. Step 2: Convert to fraction form
    469,241.30/647,556.32 = 254,384.75/x
  3. Step 3: Cross multiply
    469,241.30x = 647,556.32 × 254,384.75
  4. Step 4: Simplify right side
    469,241.30x = 164,728,452,574.12
  5. Step 5: Solve for x
    x = 164,728,452,574.12/469,241.30
  6. Step 6: Final answer
    x = 351,052.76

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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.