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Finding the Fourth Proportional to 277,751.09, 383,327.69 and 156,900.17

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Solution

The fourth proportional to 277,751.09, 383,327.69 and 156,900.17 is: 216,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,751.09 : 383,327.69 = 156,900.17 : x
  2. Step 2: Convert to fraction form
    277,751.09/383,327.69 = 156,900.17/x
  3. Step 3: Cross multiply
    277,751.09x = 383,327.69 × 156,900.17
  4. Step 4: Simplify right side
    277,751.09x = 60,144,177,025.57
  5. Step 5: Solve for x
    x = 60,144,177,025.57/277,751.09
  6. Step 6: Final answer
    x = 216,539.85

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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.