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Finding the Fourth Proportional to 406,358.36, 560,780.46 and 234,273.36

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Solution

The fourth proportional to 406,358.36, 560,780.46 and 234,273.36 is: 323,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,358.36 : 560,780.46 = 234,273.36 : x
  2. Step 2: Convert to fraction form
    406,358.36/560,780.46 = 234,273.36/x
  3. Step 3: Cross multiply
    406,358.36x = 560,780.46 × 234,273.36
  4. Step 4: Simplify right side
    406,358.36x = 131,375,922,586.55
  5. Step 5: Solve for x
    x = 131,375,922,586.55/406,358.36
  6. Step 6: Final answer
    x = 323,300.66

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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.