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Finding the Fourth Proportional to 5,998,906.80, 9,000,459.72 and 1,739,330.64

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Solution

The fourth proportional to 5,998,906.80, 9,000,459.72 and 1,739,330.64 is: 2,609,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998,906.80 : 9,000,459.72 = 1,739,330.64 : x
  2. Step 2: Convert to fraction form
    5,998,906.80/9,000,459.72 = 1,739,330.64/x
  3. Step 3: Cross multiply
    5,998,906.80x = 9,000,459.72 × 1,739,330.64
  4. Step 4: Simplify right side
    5,998,906.80x = 15,654,775,365,081.82
  5. Step 5: Solve for x
    x = 15,654,775,365,081.82/5,998,906.80
  6. Step 6: Final answer
    x = 2,609,604.70

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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.