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Finding the Fourth Proportional to 377,395.63, 520,805.96 and 207,626.11

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Solution

The fourth proportional to 377,395.63, 520,805.96 and 207,626.11 is: 286,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,395.63 : 520,805.96 = 207,626.11 : x
  2. Step 2: Convert to fraction form
    377,395.63/520,805.96 = 207,626.11/x
  3. Step 3: Cross multiply
    377,395.63x = 520,805.96 × 207,626.11
  4. Step 4: Simplify right side
    377,395.63x = 108,132,915,539.62
  5. Step 5: Solve for x
    x = 108,132,915,539.62/377,395.63
  6. Step 6: Final answer
    x = 286,524.03

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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.