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Finding the Fourth Proportional to 5,584,437.16, 8,375,658.58 and 1,485,781.82

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Solution

The fourth proportional to 5,584,437.16, 8,375,658.58 and 1,485,781.82 is: 2,228,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584,437.16 : 8,375,658.58 = 1,485,781.82 : x
  2. Step 2: Convert to fraction form
    5,584,437.16/8,375,658.58 = 1,485,781.82/x
  3. Step 3: Cross multiply
    5,584,437.16x = 8,375,658.58 × 1,485,781.82
  4. Step 4: Simplify right side
    5,584,437.16x = 12,444,401,248,691.02
  5. Step 5: Solve for x
    x = 12,444,401,248,691.02/5,584,437.16
  6. Step 6: Final answer
    x = 2,228,407.43

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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.