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Finding the Fourth Proportional to 377,237.60, 520,579.33 and 207,474.56

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Solution

The fourth proportional to 377,237.60, 520,579.33 and 207,474.56 is: 286,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,237.60 : 520,579.33 = 207,474.56 : x
  2. Step 2: Convert to fraction form
    377,237.60/520,579.33 = 207,474.56/x
  3. Step 3: Cross multiply
    377,237.60x = 520,579.33 × 207,474.56
  4. Step 4: Simplify right side
    377,237.60x = 108,006,964,315.26
  5. Step 5: Solve for x
    x = 108,006,964,315.26/377,237.60
  6. Step 6: Final answer
    x = 286,310.18

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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.