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Finding the Fourth Proportional to 347,461.83, 479,249.73 and 211,504.46

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Solution

The fourth proportional to 347,461.83, 479,249.73 and 211,504.46 is: 291,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,461.83 : 479,249.73 = 211,504.46 : x
  2. Step 2: Convert to fraction form
    347,461.83/479,249.73 = 211,504.46/x
  3. Step 3: Cross multiply
    347,461.83x = 479,249.73 × 211,504.46
  4. Step 4: Simplify right side
    347,461.83x = 101,363,452,952.55
  5. Step 5: Solve for x
    x = 101,363,452,952.55/347,461.83
  6. Step 6: Final answer
    x = 291,725.43

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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.