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Finding the Fourth Proportional to 707,021.11, 975,519 and 416,644.54

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Solution

The fourth proportional to 707,021.11, 975,519 and 416,644.54 is: 574,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,021.11 : 975,519 = 416,644.54 : x
  2. Step 2: Convert to fraction form
    707,021.11/975,519 = 416,644.54/x
  3. Step 3: Cross multiply
    707,021.11x = 975,519 × 416,644.54
  4. Step 4: Simplify right side
    707,021.11x = 406,444,665,016.26
  5. Step 5: Solve for x
    x = 406,444,665,016.26/707,021.11
  6. Step 6: Final answer
    x = 574,869.21

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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.