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Finding the Fourth Proportional to 477,674.60, 659,201.16 and 262,815.29

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Solution

The fourth proportional to 477,674.60, 659,201.16 and 262,815.29 is: 362,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,674.60 : 659,201.16 = 262,815.29 : x
  2. Step 2: Convert to fraction form
    477,674.60/659,201.16 = 262,815.29/x
  3. Step 3: Cross multiply
    477,674.60x = 659,201.16 × 262,815.29
  4. Step 4: Simplify right side
    477,674.60x = 173,248,140,737.73
  5. Step 5: Solve for x
    x = 173,248,140,737.73/477,674.60
  6. Step 6: Final answer
    x = 362,690.72

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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.