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Finding the Fourth Proportional to 277,981.70, 417,433.72 and 173,464.97

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Solution

The fourth proportional to 277,981.70, 417,433.72 and 173,464.97 is: 260,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,981.70 : 417,433.72 = 173,464.97 : x
  2. Step 2: Convert to fraction form
    277,981.70/417,433.72 = 173,464.97/x
  3. Step 3: Cross multiply
    277,981.70x = 417,433.72 × 173,464.97
  4. Step 4: Simplify right side
    277,981.70x = 72,410,127,716.79
  5. Step 5: Solve for x
    x = 72,410,127,716.79/277,981.70
  6. Step 6: Final answer
    x = 260,485.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.