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Finding the Fourth Proportional to 555,452.24, 766,307.04 and 322,840.48

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Solution

The fourth proportional to 555,452.24, 766,307.04 and 322,840.48 is: 445,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,452.24 : 766,307.04 = 322,840.48 : x
  2. Step 2: Convert to fraction form
    555,452.24/766,307.04 = 322,840.48/x
  3. Step 3: Cross multiply
    555,452.24x = 766,307.04 × 322,840.48
  4. Step 4: Simplify right side
    555,452.24x = 247,394,932,620.98
  5. Step 5: Solve for x
    x = 247,394,932,620.98/555,452.24
  6. Step 6: Final answer
    x = 445,393.71

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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.