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Finding the Fourth Proportional to 595.49, 888.85 and 553.70

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Solution

The fourth proportional to 595.49, 888.85 and 553.70 is: 826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.49 : 888.85 = 553.70 : x
  2. Step 2: Convert to fraction form
    595.49/888.85 = 553.70/x
  3. Step 3: Cross multiply
    595.49x = 888.85 × 553.70
  4. Step 4: Simplify right side
    595.49x = 492,157.60
  5. Step 5: Solve for x
    x = 492,157.60/595.49
  6. Step 6: Final answer
    x = 826.48

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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.