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Finding the Fourth Proportional to 883,859, 1,219,725.42 and 481,451

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Solution

The fourth proportional to 883,859, 1,219,725.42 and 481,451 is: 664,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,859 : 1,219,725.42 = 481,451 : x
  2. Step 2: Convert to fraction form
    883,859/1,219,725.42 = 481,451/x
  3. Step 3: Cross multiply
    883,859x = 1,219,725.42 × 481,451
  4. Step 4: Simplify right side
    883,859x = 587,238,023,184.42
  5. Step 5: Solve for x
    x = 587,238,023,184.42/883,859
  6. Step 6: Final answer
    x = 664,402.38

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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.