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Finding the Fourth Proportional to 277,860.39, 383,426.15 and 168,949.60

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Solution

The fourth proportional to 277,860.39, 383,426.15 and 168,949.60 is: 233,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,860.39 : 383,426.15 = 168,949.60 : x
  2. Step 2: Convert to fraction form
    277,860.39/383,426.15 = 168,949.60/x
  3. Step 3: Cross multiply
    277,860.39x = 383,426.15 × 168,949.60
  4. Step 4: Simplify right side
    277,860.39x = 64,779,694,672.04
  5. Step 5: Solve for x
    x = 64,779,694,672.04/277,860.39
  6. Step 6: Final answer
    x = 233,137.56

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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.