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Finding the Fourth Proportional to 394,575.59, 544,567.64 and 222,528.93

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Solution

The fourth proportional to 394,575.59, 544,567.64 and 222,528.93 is: 307,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,575.59 : 544,567.64 = 222,528.93 : x
  2. Step 2: Convert to fraction form
    394,575.59/544,567.64 = 222,528.93/x
  3. Step 3: Cross multiply
    394,575.59x = 544,567.64 × 222,528.93
  4. Step 4: Simplify right side
    394,575.59x = 121,182,054,241.83
  5. Step 5: Solve for x
    x = 121,182,054,241.83/394,575.59
  6. Step 6: Final answer
    x = 307,120.00

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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.