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Finding the Fourth Proportional to 217,598.58, 326,332.26 and 84,449.16

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Solution

The fourth proportional to 217,598.58, 326,332.26 and 84,449.16 is: 126,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,598.58 : 326,332.26 = 84,449.16 : x
  2. Step 2: Convert to fraction form
    217,598.58/326,332.26 = 84,449.16/x
  3. Step 3: Cross multiply
    217,598.58x = 326,332.26 × 84,449.16
  4. Step 4: Simplify right side
    217,598.58x = 27,558,485,237.90
  5. Step 5: Solve for x
    x = 27,558,485,237.90/217,598.58
  6. Step 6: Final answer
    x = 126,648.28

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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.