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Finding the Fourth Proportional to 277,579, 383,059.02 and 158,347

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Solution

The fourth proportional to 277,579, 383,059.02 and 158,347 is: 218,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,579 : 383,059.02 = 158,347 : x
  2. Step 2: Convert to fraction form
    277,579/383,059.02 = 158,347/x
  3. Step 3: Cross multiply
    277,579x = 383,059.02 × 158,347
  4. Step 4: Simplify right side
    277,579x = 60,656,246,639.94
  5. Step 5: Solve for x
    x = 60,656,246,639.94/277,579
  6. Step 6: Final answer
    x = 218,518.86

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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.