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Finding the Fourth Proportional to 532.94, 798.18 and 417.02

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Solution

The fourth proportional to 532.94, 798.18 and 417.02 is: 624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.94 : 798.18 = 417.02 : x
  2. Step 2: Convert to fraction form
    532.94/798.18 = 417.02/x
  3. Step 3: Cross multiply
    532.94x = 798.18 × 417.02
  4. Step 4: Simplify right side
    532.94x = 332,857.02
  5. Step 5: Solve for x
    x = 332,857.02/532.94
  6. Step 6: Final answer
    x = 624.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.