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Finding the Fourth Proportional to 522,577.48, 721,164.60 and 293,185.48

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Solution

The fourth proportional to 522,577.48, 721,164.60 and 293,185.48 is: 404,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,577.48 : 721,164.60 = 293,185.48 : x
  2. Step 2: Convert to fraction form
    522,577.48/721,164.60 = 293,185.48/x
  3. Step 3: Cross multiply
    522,577.48x = 721,164.60 × 293,185.48
  4. Step 4: Simplify right side
    522,577.48x = 211,434,989,410.01
  5. Step 5: Solve for x
    x = 211,434,989,410.01/522,577.48
  6. Step 6: Final answer
    x = 404,600.27

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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.