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Finding the Fourth Proportional to 707,604.95, 976,238.37 and 401,504.06

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Solution

The fourth proportional to 707,604.95, 976,238.37 and 401,504.06 is: 553,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,604.95 : 976,238.37 = 401,504.06 : x
  2. Step 2: Convert to fraction form
    707,604.95/976,238.37 = 401,504.06/x
  3. Step 3: Cross multiply
    707,604.95x = 976,238.37 × 401,504.06
  4. Step 4: Simplify right side
    707,604.95x = 391,963,664,201.59
  5. Step 5: Solve for x
    x = 391,963,664,201.59/707,604.95
  6. Step 6: Final answer
    x = 553,930.08

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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.