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Finding the Fourth Proportional to 5,584,446.42, 8,375,672.46 and 1,485,791.07

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Solution

The fourth proportional to 5,584,446.42, 8,375,672.46 and 1,485,791.07 is: 2,228,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584,446.42 : 8,375,672.46 = 1,485,791.07 : x
  2. Step 2: Convert to fraction form
    5,584,446.42/8,375,672.46 = 1,485,791.07/x
  3. Step 3: Cross multiply
    5,584,446.42x = 8,375,672.46 × 1,485,791.07
  4. Step 4: Simplify right side
    5,584,446.42x = 12,444,499,346,312.93
  5. Step 5: Solve for x
    x = 12,444,499,346,312.93/5,584,446.42
  6. Step 6: Final answer
    x = 2,228,421.30

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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.