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Finding the Fourth Proportional to 2,990,593.59, 4,485,890.40 and 2,990,593.59

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Solution

The fourth proportional to 2,990,593.59, 4,485,890.40 and 2,990,593.59 is: 4,485,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,593.59 : 4,485,890.40 = 2,990,593.59 : x
  2. Step 2: Convert to fraction form
    2,990,593.59/4,485,890.40 = 2,990,593.59/x
  3. Step 3: Cross multiply
    2,990,593.59x = 4,485,890.40 × 2,990,593.59
  4. Step 4: Simplify right side
    2,990,593.59x = 13,415,475,075,682.54
  5. Step 5: Solve for x
    x = 13,415,475,075,682.54/2,990,593.59
  6. Step 6: Final answer
    x = 4,485,890.40

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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.