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Finding the Fourth Proportional to 707,046.23, 975,651.82 and 401,138.39

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Solution

The fourth proportional to 707,046.23, 975,651.82 and 401,138.39 is: 553,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,046.23 : 975,651.82 = 401,138.39 : x
  2. Step 2: Convert to fraction form
    707,046.23/975,651.82 = 401,138.39/x
  3. Step 3: Cross multiply
    707,046.23x = 975,651.82 × 401,138.39
  4. Step 4: Simplify right side
    707,046.23x = 391,371,394,394.27
  5. Step 5: Solve for x
    x = 391,371,394,394.27/707,046.23
  6. Step 6: Final answer
    x = 553,530.14

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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.