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Finding the Fourth Proportional to 710.41, 979.48 and 592.56

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Solution

The fourth proportional to 710.41, 979.48 and 592.56 is: 816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.41 : 979.48 = 592.56 : x
  2. Step 2: Convert to fraction form
    710.41/979.48 = 592.56/x
  3. Step 3: Cross multiply
    710.41x = 979.48 × 592.56
  4. Step 4: Simplify right side
    710.41x = 580,400.67
  5. Step 5: Solve for x
    x = 580,400.67/710.41
  6. Step 6: Final answer
    x = 816.99

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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.