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Finding the Fourth Proportional to 338,069.91, 506,357.39 and 231,200.60

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Solution

The fourth proportional to 338,069.91, 506,357.39 and 231,200.60 is: 346,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,069.91 : 506,357.39 = 231,200.60 : x
  2. Step 2: Convert to fraction form
    338,069.91/506,357.39 = 231,200.60/x
  3. Step 3: Cross multiply
    338,069.91x = 506,357.39 × 231,200.60
  4. Step 4: Simplify right side
    338,069.91x = 117,070,128,694.64
  5. Step 5: Solve for x
    x = 117,070,128,694.64/338,069.91
  6. Step 6: Final answer
    x = 346,289.70

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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.