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Finding the Fourth Proportional to 277,391.88, 382,803.92 and 156,534.62

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Solution

The fourth proportional to 277,391.88, 382,803.92 and 156,534.62 is: 216,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,391.88 : 382,803.92 = 156,534.62 : x
  2. Step 2: Convert to fraction form
    277,391.88/382,803.92 = 156,534.62/x
  3. Step 3: Cross multiply
    277,391.88x = 382,803.92 × 156,534.62
  4. Step 4: Simplify right side
    277,391.88x = 59,922,063,455.02
  5. Step 5: Solve for x
    x = 59,922,063,455.02/277,391.88
  6. Step 6: Final answer
    x = 216,019.53

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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.