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Finding the Fourth Proportional to 522,659.22, 721,226.16 and 293,184.60

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Solution

The fourth proportional to 522,659.22, 721,226.16 and 293,184.60 is: 404,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,659.22 : 721,226.16 = 293,184.60 : x
  2. Step 2: Convert to fraction form
    522,659.22/721,226.16 = 293,184.60/x
  3. Step 3: Cross multiply
    522,659.22x = 721,226.16 × 293,184.60
  4. Step 4: Simplify right side
    522,659.22x = 211,452,403,229.14
  5. Step 5: Solve for x
    x = 211,452,403,229.14/522,659.22
  6. Step 6: Final answer
    x = 404,570.31

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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.