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Finding the Fourth Proportional to 953.37, 1,429.50 and 465.81

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Solution

The fourth proportional to 953.37, 1,429.50 and 465.81 is: 698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.37 : 1,429.50 = 465.81 : x
  2. Step 2: Convert to fraction form
    953.37/1,429.50 = 465.81/x
  3. Step 3: Cross multiply
    953.37x = 1,429.50 × 465.81
  4. Step 4: Simplify right side
    953.37x = 665,875.40
  5. Step 5: Solve for x
    x = 665,875.40/953.37
  6. Step 6: Final answer
    x = 698.44

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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.