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Finding the Fourth Proportional to 848.08, 1,170.26 and 475.02

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Solution

The fourth proportional to 848.08, 1,170.26 and 475.02 is: 655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.08 : 1,170.26 = 475.02 : x
  2. Step 2: Convert to fraction form
    848.08/1,170.26 = 475.02/x
  3. Step 3: Cross multiply
    848.08x = 1,170.26 × 475.02
  4. Step 4: Simplify right side
    848.08x = 555,896.91
  5. Step 5: Solve for x
    x = 555,896.91/848.08
  6. Step 6: Final answer
    x = 655.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.