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Finding the Fourth Proportional to 277,758.48, 383,330.26 and 156,921.92

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Solution

The fourth proportional to 277,758.48, 383,330.26 and 156,921.92 is: 216,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,758.48 : 383,330.26 = 156,921.92 : x
  2. Step 2: Convert to fraction form
    277,758.48/383,330.26 = 156,921.92/x
  3. Step 3: Cross multiply
    277,758.48x = 383,330.26 × 156,921.92
  4. Step 4: Simplify right side
    277,758.48x = 60,152,920,393.30
  5. Step 5: Solve for x
    x = 60,152,920,393.30/277,758.48
  6. Step 6: Final answer
    x = 216,565.56

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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.