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Finding the Fourth Proportional to 367,287,739.20, 550,931,608.80 and 367,287,739.20

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Solution

The fourth proportional to 367,287,739.20, 550,931,608.80 and 367,287,739.20 is: 550,931,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,287,739.20 : 550,931,608.80 = 367,287,739.20 : x
  2. Step 2: Convert to fraction form
    367,287,739.20/550,931,608.80 = 367,287,739.20/x
  3. Step 3: Cross multiply
    367,287,739.20x = 550,931,608.80 × 367,287,739.20
  4. Step 4: Simplify right side
    367,287,739.20x = 202,350,425,049,970,816
  5. Step 5: Solve for x
    x = 202,350,425,049,970,816/367,287,739.20
  6. Step 6: Final answer
    x = 550,931,608.80

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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.