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Finding the Fourth Proportional to 411,121.91, 567,352.46 and 229,843.91

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Solution

The fourth proportional to 411,121.91, 567,352.46 and 229,843.91 is: 317,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,121.91 : 567,352.46 = 229,843.91 : x
  2. Step 2: Convert to fraction form
    411,121.91/567,352.46 = 229,843.91/x
  3. Step 3: Cross multiply
    411,121.91x = 567,352.46 × 229,843.91
  4. Step 4: Simplify right side
    411,121.91x = 130,402,507,754.52
  5. Step 5: Solve for x
    x = 130,402,507,754.52/411,121.91
  6. Step 6: Final answer
    x = 317,186.96

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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.