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Finding the Fourth Proportional to 954.23, 1,432.26 and 589.73

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Solution

The fourth proportional to 954.23, 1,432.26 and 589.73 is: 885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.23 : 1,432.26 = 589.73 : x
  2. Step 2: Convert to fraction form
    954.23/1,432.26 = 589.73/x
  3. Step 3: Cross multiply
    954.23x = 1,432.26 × 589.73
  4. Step 4: Simplify right side
    954.23x = 844,646.69
  5. Step 5: Solve for x
    x = 844,646.69/954.23
  6. Step 6: Final answer
    x = 885.16

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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.