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Finding the Fourth Proportional to 941.36, 1,412.04 and 502.76

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Solution

The fourth proportional to 941.36, 1,412.04 and 502.76 is: 754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.36 : 1,412.04 = 502.76 : x
  2. Step 2: Convert to fraction form
    941.36/1,412.04 = 502.76/x
  3. Step 3: Cross multiply
    941.36x = 1,412.04 × 502.76
  4. Step 4: Simplify right side
    941.36x = 709,917.23
  5. Step 5: Solve for x
    x = 709,917.23/941.36
  6. Step 6: Final answer
    x = 754.14

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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.