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Finding the Fourth Proportional to 962.63, 1,443.60 and 468.89

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Solution

The fourth proportional to 962.63, 1,443.60 and 468.89 is: 703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.63 : 1,443.60 = 468.89 : x
  2. Step 2: Convert to fraction form
    962.63/1,443.60 = 468.89/x
  3. Step 3: Cross multiply
    962.63x = 1,443.60 × 468.89
  4. Step 4: Simplify right side
    962.63x = 676,888.54
  5. Step 5: Solve for x
    x = 676,888.54/962.63
  6. Step 6: Final answer
    x = 703.16

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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.