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Finding the Fourth Proportional to 583.32, 873.44 and 351.90

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Solution

The fourth proportional to 583.32, 873.44 and 351.90 is: 526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.32 : 873.44 = 351.90 : x
  2. Step 2: Convert to fraction form
    583.32/873.44 = 351.90/x
  3. Step 3: Cross multiply
    583.32x = 873.44 × 351.90
  4. Step 4: Simplify right side
    583.32x = 307,361.78
  5. Step 5: Solve for x
    x = 307,361.78/583.32
  6. Step 6: Final answer
    x = 526.92

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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.