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Finding the Fourth Proportional to 962.35, 1,443.59 and 346.06

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Solution

The fourth proportional to 962.35, 1,443.59 and 346.06 is: 519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.35 : 1,443.59 = 346.06 : x
  2. Step 2: Convert to fraction form
    962.35/1,443.59 = 346.06/x
  3. Step 3: Cross multiply
    962.35x = 1,443.59 × 346.06
  4. Step 4: Simplify right side
    962.35x = 499,568.76
  5. Step 5: Solve for x
    x = 499,568.76/962.35
  6. Step 6: Final answer
    x = 519.11

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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.