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Finding the Fourth Proportional to 705.08, 1,056.18 and 567.38

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Solution

The fourth proportional to 705.08, 1,056.18 and 567.38 is: 849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.08 : 1,056.18 = 567.38 : x
  2. Step 2: Convert to fraction form
    705.08/1,056.18 = 567.38/x
  3. Step 3: Cross multiply
    705.08x = 1,056.18 × 567.38
  4. Step 4: Simplify right side
    705.08x = 599,255.41
  5. Step 5: Solve for x
    x = 599,255.41/705.08
  6. Step 6: Final answer
    x = 849.91

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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.