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Finding the Fourth Proportional to 598.30, 826.55 and 473.56

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Solution

The fourth proportional to 598.30, 826.55 and 473.56 is: 654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.30 : 826.55 = 473.56 : x
  2. Step 2: Convert to fraction form
    598.30/826.55 = 473.56/x
  3. Step 3: Cross multiply
    598.30x = 826.55 × 473.56
  4. Step 4: Simplify right side
    598.30x = 391,421.02
  5. Step 5: Solve for x
    x = 391,421.02/598.30
  6. Step 6: Final answer
    x = 654.22

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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.