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Finding the Fourth Proportional to 589.06, 881.16 and 554.50

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Solution

The fourth proportional to 589.06, 881.16 and 554.50 is: 829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.06 : 881.16 = 554.50 : x
  2. Step 2: Convert to fraction form
    589.06/881.16 = 554.50/x
  3. Step 3: Cross multiply
    589.06x = 881.16 × 554.50
  4. Step 4: Simplify right side
    589.06x = 488,603.22
  5. Step 5: Solve for x
    x = 488,603.22/589.06
  6. Step 6: Final answer
    x = 829.46

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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.