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Finding the Fourth Proportional to 377,170.26, 520,473.24 and 207,404.52

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Solution

The fourth proportional to 377,170.26, 520,473.24 and 207,404.52 is: 286,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,170.26 : 520,473.24 = 207,404.52 : x
  2. Step 2: Convert to fraction form
    377,170.26/520,473.24 = 207,404.52/x
  3. Step 3: Cross multiply
    377,170.26x = 520,473.24 × 207,404.52
  4. Step 4: Simplify right side
    377,170.26x = 107,948,502,515.05
  5. Step 5: Solve for x
    x = 107,948,502,515.05/377,170.26
  6. Step 6: Final answer
    x = 286,206.29

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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.