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Finding the Fourth Proportional to 377,231.58, 520,589.43 and 207,470.16

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Solution

The fourth proportional to 377,231.58, 520,589.43 and 207,470.16 is: 286,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,231.58 : 520,589.43 = 207,470.16 : x
  2. Step 2: Convert to fraction form
    377,231.58/520,589.43 = 207,470.16/x
  3. Step 3: Cross multiply
    377,231.58x = 520,589.43 × 207,470.16
  4. Step 4: Simplify right side
    377,231.58x = 108,006,772,336.41
  5. Step 5: Solve for x
    x = 108,006,772,336.41/377,231.58
  6. Step 6: Final answer
    x = 286,314.24

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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.