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Finding the Fourth Proportional to 720,118.20, 1,080,177.30 and 246,808.20

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Solution

The fourth proportional to 720,118.20, 1,080,177.30 and 246,808.20 is: 370,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,118.20 : 1,080,177.30 = 246,808.20 : x
  2. Step 2: Convert to fraction form
    720,118.20/1,080,177.30 = 246,808.20/x
  3. Step 3: Cross multiply
    720,118.20x = 1,080,177.30 × 246,808.20
  4. Step 4: Simplify right side
    720,118.20x = 266,596,615,093.86
  5. Step 5: Solve for x
    x = 266,596,615,093.86/720,118.20
  6. Step 6: Final answer
    x = 370,212.30

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