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Finding the Fourth Proportional to 954.94, 1,432.59 and 461.69

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Solution

The fourth proportional to 954.94, 1,432.59 and 461.69 is: 692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.94 : 1,432.59 = 461.69 : x
  2. Step 2: Convert to fraction form
    954.94/1,432.59 = 461.69/x
  3. Step 3: Cross multiply
    954.94x = 1,432.59 × 461.69
  4. Step 4: Simplify right side
    954.94x = 661,405.31
  5. Step 5: Solve for x
    x = 661,405.31/954.94
  6. Step 6: Final answer
    x = 692.62

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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.