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Finding the Fourth Proportional to 597.81, 826.02 and 432.57

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Solution

The fourth proportional to 597.81, 826.02 and 432.57 is: 597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.81 : 826.02 = 432.57 : x
  2. Step 2: Convert to fraction form
    597.81/826.02 = 432.57/x
  3. Step 3: Cross multiply
    597.81x = 826.02 × 432.57
  4. Step 4: Simplify right side
    597.81x = 357,311.47
  5. Step 5: Solve for x
    x = 357,311.47/597.81
  6. Step 6: Final answer
    x = 597.70

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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.