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Finding the Fourth Proportional to 607,926.26, 839,040.29 and 411,603.69

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Solution

The fourth proportional to 607,926.26, 839,040.29 and 411,603.69 is: 568,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,926.26 : 839,040.29 = 411,603.69 : x
  2. Step 2: Convert to fraction form
    607,926.26/839,040.29 = 411,603.69/x
  3. Step 3: Cross multiply
    607,926.26x = 839,040.29 × 411,603.69
  4. Step 4: Simplify right side
    607,926.26x = 345,352,082,054.57
  5. Step 5: Solve for x
    x = 345,352,082,054.57/607,926.26
  6. Step 6: Final answer
    x = 568,082.19

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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.