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Finding the Fourth Proportional to 953.04, 1,429.62 and 336.66

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Solution

The fourth proportional to 953.04, 1,429.62 and 336.66 is: 505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.04 : 1,429.62 = 336.66 : x
  2. Step 2: Convert to fraction form
    953.04/1,429.62 = 336.66/x
  3. Step 3: Cross multiply
    953.04x = 1,429.62 × 336.66
  4. Step 4: Simplify right side
    953.04x = 481,295.87
  5. Step 5: Solve for x
    x = 481,295.87/953.04
  6. Step 6: Final answer
    x = 505.01

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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.