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Finding the Fourth Proportional to 277,790.52, 383,347.56 and 168,858.78

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Solution

The fourth proportional to 277,790.52, 383,347.56 and 168,858.78 is: 233,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,790.52 : 383,347.56 = 168,858.78 : x
  2. Step 2: Convert to fraction form
    277,790.52/383,347.56 = 168,858.78/x
  3. Step 3: Cross multiply
    277,790.52x = 383,347.56 × 168,858.78
  4. Step 4: Simplify right side
    277,790.52x = 64,731,599,380.84
  5. Step 5: Solve for x
    x = 64,731,599,380.84/277,790.52
  6. Step 6: Final answer
    x = 233,023.07

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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.