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Finding the Fourth Proportional to 1,354.58, 2,032.04 and 476.88

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Solution

The fourth proportional to 1,354.58, 2,032.04 and 476.88 is: 715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.58 : 2,032.04 = 476.88 : x
  2. Step 2: Convert to fraction form
    1,354.58/2,032.04 = 476.88/x
  3. Step 3: Cross multiply
    1,354.58x = 2,032.04 × 476.88
  4. Step 4: Simplify right side
    1,354.58x = 969,029.08
  5. Step 5: Solve for x
    x = 969,029.08/1,354.58
  6. Step 6: Final answer
    x = 715.37

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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.