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Finding the Fourth Proportional to 598.15, 826.24 and 459.99

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Solution

The fourth proportional to 598.15, 826.24 and 459.99 is: 635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.15 : 826.24 = 459.99 : x
  2. Step 2: Convert to fraction form
    598.15/826.24 = 459.99/x
  3. Step 3: Cross multiply
    598.15x = 826.24 × 459.99
  4. Step 4: Simplify right side
    598.15x = 380,060.82
  5. Step 5: Solve for x
    x = 380,060.82/598.15
  6. Step 6: Final answer
    x = 635.39

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1.5x scale

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.