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Finding the Fourth Proportional to 598.60, 826.77 and 474.67

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Solution

The fourth proportional to 598.60, 826.77 and 474.67 is: 655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.60 : 826.77 = 474.67 : x
  2. Step 2: Convert to fraction form
    598.60/826.77 = 474.67/x
  3. Step 3: Cross multiply
    598.60x = 826.77 × 474.67
  4. Step 4: Simplify right side
    598.60x = 392,442.92
  5. Step 5: Solve for x
    x = 392,442.92/598.60
  6. Step 6: Final answer
    x = 655.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.