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Finding the Fourth Proportional to 342,801.28, 514,235.94 and 118,131.58

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Solution

The fourth proportional to 342,801.28, 514,235.94 and 118,131.58 is: 177,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,801.28 : 514,235.94 = 118,131.58 : x
  2. Step 2: Convert to fraction form
    342,801.28/514,235.94 = 118,131.58/x
  3. Step 3: Cross multiply
    342,801.28x = 514,235.94 × 118,131.58
  4. Step 4: Simplify right side
    342,801.28x = 60,747,504,084.99
  5. Step 5: Solve for x
    x = 60,747,504,084.99/342,801.28
  6. Step 6: Final answer
    x = 177,209.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.