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Finding the Fourth Proportional to 692,006.31, 954,992.25 and 401,595.51

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Solution

The fourth proportional to 692,006.31, 954,992.25 and 401,595.51 is: 554,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,006.31 : 954,992.25 = 401,595.51 : x
  2. Step 2: Convert to fraction form
    692,006.31/954,992.25 = 401,595.51/x
  3. Step 3: Cross multiply
    692,006.31x = 954,992.25 × 401,595.51
  4. Step 4: Simplify right side
    692,006.31x = 383,520,599,684.80
  5. Step 5: Solve for x
    x = 383,520,599,684.80/692,006.31
  6. Step 6: Final answer
    x = 554,215.47

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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.