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Finding the Fourth Proportional to 532.40, 798.33 and 349.46

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Solution

The fourth proportional to 532.40, 798.33 and 349.46 is: 524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.40 : 798.33 = 349.46 : x
  2. Step 2: Convert to fraction form
    532.40/798.33 = 349.46/x
  3. Step 3: Cross multiply
    532.40x = 798.33 × 349.46
  4. Step 4: Simplify right side
    532.40x = 278,984.40
  5. Step 5: Solve for x
    x = 278,984.40/532.40
  6. Step 6: Final answer
    x = 524.01

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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.