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Finding the Fourth Proportional to 531,536.91, 794,881.35 and 396,696.21

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Solution

The fourth proportional to 531,536.91, 794,881.35 and 396,696.21 is: 593,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,536.91 : 794,881.35 = 396,696.21 : x
  2. Step 2: Convert to fraction form
    531,536.91/794,881.35 = 396,696.21/x
  3. Step 3: Cross multiply
    531,536.91x = 794,881.35 × 396,696.21
  4. Step 4: Simplify right side
    531,536.91x = 315,326,418,944.68
  5. Step 5: Solve for x
    x = 315,326,418,944.68/531,536.91
  6. Step 6: Final answer
    x = 593,235.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.