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Finding the Fourth Proportional to 1,353.97, 2,030.96 and 476.27

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Solution

The fourth proportional to 1,353.97, 2,030.96 and 476.27 is: 714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.97 : 2,030.96 = 476.27 : x
  2. Step 2: Convert to fraction form
    1,353.97/2,030.96 = 476.27/x
  3. Step 3: Cross multiply
    1,353.97x = 2,030.96 × 476.27
  4. Step 4: Simplify right side
    1,353.97x = 967,272.78
  5. Step 5: Solve for x
    x = 967,272.78/1,353.97
  6. Step 6: Final answer
    x = 714.40

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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.