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Finding the Fourth Proportional to 984.00, 1,476.16 and 334.69

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Solution

The fourth proportional to 984.00, 1,476.16 and 334.69 is: 502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.00 : 1,476.16 = 334.69 : x
  2. Step 2: Convert to fraction form
    984.00/1,476.16 = 334.69/x
  3. Step 3: Cross multiply
    984.00x = 1,476.16 × 334.69
  4. Step 4: Simplify right side
    984.00x = 494,051.46
  5. Step 5: Solve for x
    x = 494,051.46/984.00
  6. Step 6: Final answer
    x = 502.08

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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.