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Finding the Fourth Proportional to 277,380.50, 382,785.48 and 150,055.79

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Solution

The fourth proportional to 277,380.50, 382,785.48 and 150,055.79 is: 207,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,380.50 : 382,785.48 = 150,055.79 : x
  2. Step 2: Convert to fraction form
    277,380.50/382,785.48 = 150,055.79/x
  3. Step 3: Cross multiply
    277,380.50x = 382,785.48 × 150,055.79
  4. Step 4: Simplify right side
    277,380.50x = 57,439,175,688.00
  5. Step 5: Solve for x
    x = 57,439,175,688.00/277,380.50
  6. Step 6: Final answer
    x = 207,077.20

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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.