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Finding the Fourth Proportional to 360,523.52, 540,849.92 and 123,804.80

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Solution

The fourth proportional to 360,523.52, 540,849.92 and 123,804.80 is: 185,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,523.52 : 540,849.92 = 123,804.80 : x
  2. Step 2: Convert to fraction form
    360,523.52/540,849.92 = 123,804.80/x
  3. Step 3: Cross multiply
    360,523.52x = 540,849.92 × 123,804.80
  4. Step 4: Simplify right side
    360,523.52x = 66,959,816,175.62
  5. Step 5: Solve for x
    x = 66,959,816,175.62/360,523.52
  6. Step 6: Final answer
    x = 185,729.40

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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.