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Finding the Fourth Proportional to 522,399.04, 720,860.31 and 292,965.73

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Solution

The fourth proportional to 522,399.04, 720,860.31 and 292,965.73 is: 404,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,399.04 : 720,860.31 = 292,965.73 : x
  2. Step 2: Convert to fraction form
    522,399.04/720,860.31 = 292,965.73/x
  3. Step 3: Cross multiply
    522,399.04x = 720,860.31 × 292,965.73
  4. Step 4: Simplify right side
    522,399.04x = 211,187,365,145.03
  5. Step 5: Solve for x
    x = 211,187,365,145.03/522,399.04
  6. Step 6: Final answer
    x = 404,264.46

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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.