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Finding the Fourth Proportional to 3,634,302.80, 5,439,644.40 and 3,634,302.80

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Solution

The fourth proportional to 3,634,302.80, 5,439,644.40 and 3,634,302.80 is: 5,439,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634,302.80 : 5,439,644.40 = 3,634,302.80 : x
  2. Step 2: Convert to fraction form
    3,634,302.80/5,439,644.40 = 3,634,302.80/x
  3. Step 3: Cross multiply
    3,634,302.80x = 5,439,644.40 × 3,634,302.80
  4. Step 4: Simplify right side
    3,634,302.80x = 19,769,314,873,924.32
  5. Step 5: Solve for x
    x = 19,769,314,873,924.32/3,634,302.80
  6. Step 6: Final answer
    x = 5,439,644.40

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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.