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Finding the Fourth Proportional to 277,429.94, 382,854.62 and 156,576.32

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Solution

The fourth proportional to 277,429.94, 382,854.62 and 156,576.32 is: 216,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,429.94 : 382,854.62 = 156,576.32 : x
  2. Step 2: Convert to fraction form
    277,429.94/382,854.62 = 156,576.32/x
  3. Step 3: Cross multiply
    277,429.94x = 382,854.62 × 156,576.32
  4. Step 4: Simplify right side
    277,429.94x = 59,945,965,971.77
  5. Step 5: Solve for x
    x = 59,945,965,971.77/277,429.94
  6. Step 6: Final answer
    x = 216,076.06

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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.