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Finding the Fourth Proportional to 941.48, 1,300.08 and 588.02

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Solution

The fourth proportional to 941.48, 1,300.08 and 588.02 is: 811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.48 : 1,300.08 = 588.02 : x
  2. Step 2: Convert to fraction form
    941.48/1,300.08 = 588.02/x
  3. Step 3: Cross multiply
    941.48x = 1,300.08 × 588.02
  4. Step 4: Simplify right side
    941.48x = 764,473.04
  5. Step 5: Solve for x
    x = 764,473.04/941.48
  6. Step 6: Final answer
    x = 811.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.