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Finding the Fourth Proportional to 304,171.80, 419,784.30 and 168,237.60

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Solution

The fourth proportional to 304,171.80, 419,784.30 and 168,237.60 is: 232,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,171.80 : 419,784.30 = 168,237.60 : x
  2. Step 2: Convert to fraction form
    304,171.80/419,784.30 = 168,237.60/x
  3. Step 3: Cross multiply
    304,171.80x = 419,784.30 × 168,237.60
  4. Step 4: Simplify right side
    304,171.80x = 70,623,503,149.68
  5. Step 5: Solve for x
    x = 70,623,503,149.68/304,171.80
  6. Step 6: Final answer
    x = 232,182.94

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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.