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Finding the Fourth Proportional to 704,893.26, 972,726.65 and 382,596.56

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Solution

The fourth proportional to 704,893.26, 972,726.65 and 382,596.56 is: 527,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,893.26 : 972,726.65 = 382,596.56 : x
  2. Step 2: Convert to fraction form
    704,893.26/972,726.65 = 382,596.56/x
  3. Step 3: Cross multiply
    704,893.26x = 972,726.65 × 382,596.56
  4. Step 4: Simplify right side
    704,893.26x = 372,161,870,110.32
  5. Step 5: Solve for x
    x = 372,161,870,110.32/704,893.26
  6. Step 6: Final answer
    x = 527,969.11

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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.