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Finding the Fourth Proportional to 637,266.67, 879,325.09 and 365,284.51

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Solution

The fourth proportional to 637,266.67, 879,325.09 and 365,284.51 is: 504,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,266.67 : 879,325.09 = 365,284.51 : x
  2. Step 2: Convert to fraction form
    637,266.67/879,325.09 = 365,284.51/x
  3. Step 3: Cross multiply
    637,266.67x = 879,325.09 × 365,284.51
  4. Step 4: Simplify right side
    637,266.67x = 321,203,834,631.36
  5. Step 5: Solve for x
    x = 321,203,834,631.36/637,266.67
  6. Step 6: Final answer
    x = 504,033.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.