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Finding the Fourth Proportional to 277,650.36, 383,165.28 and 156,809.70

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Solution

The fourth proportional to 277,650.36, 383,165.28 and 156,809.70 is: 216,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,650.36 : 383,165.28 = 156,809.70 : x
  2. Step 2: Convert to fraction form
    277,650.36/383,165.28 = 156,809.70/x
  3. Step 3: Cross multiply
    277,650.36x = 383,165.28 × 156,809.70
  4. Step 4: Simplify right side
    277,650.36x = 60,084,032,607.22
  5. Step 5: Solve for x
    x = 60,084,032,607.22/277,650.36
  6. Step 6: Final answer
    x = 216,401.78

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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.