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Finding the Fourth Proportional to 1,045.08, 1,567.67 and 351.68

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Solution

The fourth proportional to 1,045.08, 1,567.67 and 351.68 is: 527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.08 : 1,567.67 = 351.68 : x
  2. Step 2: Convert to fraction form
    1,045.08/1,567.67 = 351.68/x
  3. Step 3: Cross multiply
    1,045.08x = 1,567.67 × 351.68
  4. Step 4: Simplify right side
    1,045.08x = 551,320.35
  5. Step 5: Solve for x
    x = 551,320.35/1,045.08
  6. Step 6: Final answer
    x = 527.54

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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.