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Finding the Fourth Proportional to 720,216.88, 1,080,377.88 and 246,898.24

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Solution

The fourth proportional to 720,216.88, 1,080,377.88 and 246,898.24 is: 370,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,216.88 : 1,080,377.88 = 246,898.24 : x
  2. Step 2: Convert to fraction form
    720,216.88/1,080,377.88 = 246,898.24/x
  3. Step 3: Cross multiply
    720,216.88x = 1,080,377.88 × 246,898.24
  4. Step 4: Simplify right side
    720,216.88x = 266,743,397,106.93
  5. Step 5: Solve for x
    x = 266,743,397,106.93/720,216.88
  6. Step 6: Final answer
    x = 370,365.38

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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.