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Finding the Fourth Proportional to 277,235.97, 382,585.19 and 156,376.89

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Solution

The fourth proportional to 277,235.97, 382,585.19 and 156,376.89 is: 215,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,235.97 : 382,585.19 = 156,376.89 : x
  2. Step 2: Convert to fraction form
    277,235.97/382,585.19 = 156,376.89/x
  3. Step 3: Cross multiply
    277,235.97x = 382,585.19 × 156,376.89
  4. Step 4: Simplify right side
    277,235.97x = 59,827,481,390.37
  5. Step 5: Solve for x
    x = 59,827,481,390.37/277,235.97
  6. Step 6: Final answer
    x = 215,799.85

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1.5x scale

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.