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Finding the Fourth Proportional to 1,354.50, 2,032.29 and 477.18

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Solution

The fourth proportional to 1,354.50, 2,032.29 and 477.18 is: 715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.50 : 2,032.29 = 477.18 : x
  2. Step 2: Convert to fraction form
    1,354.50/2,032.29 = 477.18/x
  3. Step 3: Cross multiply
    1,354.50x = 2,032.29 × 477.18
  4. Step 4: Simplify right side
    1,354.50x = 969,768.14
  5. Step 5: Solve for x
    x = 969,768.14/1,354.50
  6. Step 6: Final answer
    x = 715.96

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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.