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Finding the Fourth Proportional to 583.77, 875.62 and 554.56

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Solution

The fourth proportional to 583.77, 875.62 and 554.56 is: 831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.77 : 875.62 = 554.56 : x
  2. Step 2: Convert to fraction form
    583.77/875.62 = 554.56/x
  3. Step 3: Cross multiply
    583.77x = 875.62 × 554.56
  4. Step 4: Simplify right side
    583.77x = 485,583.83
  5. Step 5: Solve for x
    x = 485,583.83/583.77
  6. Step 6: Final answer
    x = 831.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.