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Finding the Fourth Proportional to 969.67, 1,453.08 and 603.34

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Solution

The fourth proportional to 969.67, 1,453.08 and 603.34 is: 904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.67 : 1,453.08 = 603.34 : x
  2. Step 2: Convert to fraction form
    969.67/1,453.08 = 603.34/x
  3. Step 3: Cross multiply
    969.67x = 1,453.08 × 603.34
  4. Step 4: Simplify right side
    969.67x = 876,701.29
  5. Step 5: Solve for x
    x = 876,701.29/969.67
  6. Step 6: Final answer
    x = 904.13

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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.