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Finding the Fourth Proportional to 897.16, 1,344.77 and 589.23

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Solution

The fourth proportional to 897.16, 1,344.77 and 589.23 is: 883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.16 : 1,344.77 = 589.23 : x
  2. Step 2: Convert to fraction form
    897.16/1,344.77 = 589.23/x
  3. Step 3: Cross multiply
    897.16x = 1,344.77 × 589.23
  4. Step 4: Simplify right side
    897.16x = 792,378.83
  5. Step 5: Solve for x
    x = 792,378.83/897.16
  6. Step 6: Final answer
    x = 883.21

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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.