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Finding the Fourth Proportional to 461,703.39, 635,729.48 and 393,567.63

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Solution

The fourth proportional to 461,703.39, 635,729.48 and 393,567.63 is: 541,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,703.39 : 635,729.48 = 393,567.63 : x
  2. Step 2: Convert to fraction form
    461,703.39/635,729.48 = 393,567.63/x
  3. Step 3: Cross multiply
    461,703.39x = 635,729.48 × 393,567.63
  4. Step 4: Simplify right side
    461,703.39x = 250,202,542,796.89
  5. Step 5: Solve for x
    x = 250,202,542,796.89/461,703.39
  6. Step 6: Final answer
    x = 541,911.86

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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.