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Finding the Fourth Proportional to 522,991.54, 721,697.97 and 293,527.54

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Solution

The fourth proportional to 522,991.54, 721,697.97 and 293,527.54 is: 405,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,991.54 : 721,697.97 = 293,527.54 : x
  2. Step 2: Convert to fraction form
    522,991.54/721,697.97 = 293,527.54/x
  3. Step 3: Cross multiply
    522,991.54x = 721,697.97 × 293,527.54
  4. Step 4: Simplify right side
    522,991.54x = 211,838,229,757.09
  5. Step 5: Solve for x
    x = 211,838,229,757.09/522,991.54
  6. Step 6: Final answer
    x = 405,050.97

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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.