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Finding the Fourth Proportional to 693.16, 1,037.52 and 589.72

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Solution

The fourth proportional to 693.16, 1,037.52 and 589.72 is: 882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.16 : 1,037.52 = 589.72 : x
  2. Step 2: Convert to fraction form
    693.16/1,037.52 = 589.72/x
  3. Step 3: Cross multiply
    693.16x = 1,037.52 × 589.72
  4. Step 4: Simplify right side
    693.16x = 611,846.29
  5. Step 5: Solve for x
    x = 611,846.29/693.16
  6. Step 6: Final answer
    x = 882.69

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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.