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Finding the Fourth Proportional to 710.96, 981.23 and 592.74

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Solution

The fourth proportional to 710.96, 981.23 and 592.74 is: 818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.96 : 981.23 = 592.74 : x
  2. Step 2: Convert to fraction form
    710.96/981.23 = 592.74/x
  3. Step 3: Cross multiply
    710.96x = 981.23 × 592.74
  4. Step 4: Simplify right side
    710.96x = 581,611.31
  5. Step 5: Solve for x
    x = 581,611.31/710.96
  6. Step 6: Final answer
    x = 818.07

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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.