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Finding the Fourth Proportional to 594.92, 886.77 and 557.80

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Solution

The fourth proportional to 594.92, 886.77 and 557.80 is: 831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.92 : 886.77 = 557.80 : x
  2. Step 2: Convert to fraction form
    594.92/886.77 = 557.80/x
  3. Step 3: Cross multiply
    594.92x = 886.77 × 557.80
  4. Step 4: Simplify right side
    594.92x = 494,640.31
  5. Step 5: Solve for x
    x = 494,640.31/594.92
  6. Step 6: Final answer
    x = 831.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.