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Finding the Fourth Proportional to 707,027.40, 975,696.48 and 401,163.84

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Solution

The fourth proportional to 707,027.40, 975,696.48 and 401,163.84 is: 553,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,027.40 : 975,696.48 = 401,163.84 : x
  2. Step 2: Convert to fraction form
    707,027.40/975,696.48 = 401,163.84/x
  3. Step 3: Cross multiply
    707,027.40x = 975,696.48 × 401,163.84
  4. Step 4: Simplify right side
    707,027.40x = 391,414,146,591.28
  5. Step 5: Solve for x
    x = 391,414,146,591.28/707,027.40
  6. Step 6: Final answer
    x = 553,605.34

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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.