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Finding the Fourth Proportional to 277,753.69, 383,323.70 and 156,917.16

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Solution

The fourth proportional to 277,753.69, 383,323.70 and 156,917.16 is: 216,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,753.69 : 383,323.70 = 156,917.16 : x
  2. Step 2: Convert to fraction form
    277,753.69/383,323.70 = 156,917.16/x
  3. Step 3: Cross multiply
    277,753.69x = 383,323.70 × 156,917.16
  4. Step 4: Simplify right side
    277,753.69x = 60,150,066,364.69
  5. Step 5: Solve for x
    x = 60,150,066,364.69/277,753.69
  6. Step 6: Final answer
    x = 216,559.02

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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.