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Finding the Fourth Proportional to 661,892.31, 992,640.56 and 241,069.77

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Solution

The fourth proportional to 661,892.31, 992,640.56 and 241,069.77 is: 361,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,892.31 : 992,640.56 = 241,069.77 : x
  2. Step 2: Convert to fraction form
    661,892.31/992,640.56 = 241,069.77/x
  3. Step 3: Cross multiply
    661,892.31x = 992,640.56 × 241,069.77
  4. Step 4: Simplify right side
    661,892.31x = 239,295,630,286.52
  5. Step 5: Solve for x
    x = 239,295,630,286.52/661,892.31
  6. Step 6: Final answer
    x = 361,532.57

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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.