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Finding the Fourth Proportional to 848.04, 1,170.42 and 475.07

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Solution

The fourth proportional to 848.04, 1,170.42 and 475.07 is: 655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.04 : 1,170.42 = 475.07 : x
  2. Step 2: Convert to fraction form
    848.04/1,170.42 = 475.07/x
  3. Step 3: Cross multiply
    848.04x = 1,170.42 × 475.07
  4. Step 4: Simplify right side
    848.04x = 556,027.80
  5. Step 5: Solve for x
    x = 556,027.80/848.04
  6. Step 6: Final answer
    x = 655.66

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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.