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Finding the Fourth Proportional to 3,634,269.05, 5,439,593.78 and 3,634,269.05

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Solution

The fourth proportional to 3,634,269.05, 5,439,593.78 and 3,634,269.05 is: 5,439,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634,269.05 : 5,439,593.78 = 3,634,269.05 : x
  2. Step 2: Convert to fraction form
    3,634,269.05/5,439,593.78 = 3,634,269.05/x
  3. Step 3: Cross multiply
    3,634,269.05x = 5,439,593.78 × 3,634,269.05
  4. Step 4: Simplify right side
    3,634,269.05x = 19,768,947,301,055.16
  5. Step 5: Solve for x
    x = 19,768,947,301,055.16/3,634,269.05
  6. Step 6: Final answer
    x = 5,439,593.78

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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.