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Finding the Fourth Proportional to 430,364.80, 593,891.42 and 236,771.56

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Solution

The fourth proportional to 430,364.80, 593,891.42 and 236,771.56 is: 326,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,364.80 : 593,891.42 = 236,771.56 : x
  2. Step 2: Convert to fraction form
    430,364.80/593,891.42 = 236,771.56/x
  3. Step 3: Cross multiply
    430,364.80x = 593,891.42 × 236,771.56
  4. Step 4: Simplify right side
    430,364.80x = 140,616,597,984.02
  5. Step 5: Solve for x
    x = 140,616,597,984.02/430,364.80
  6. Step 6: Final answer
    x = 326,738.15

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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.