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Finding the Fourth Proportional to 794.96, 1,192.48 and 470.16

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Solution

The fourth proportional to 794.96, 1,192.48 and 470.16 is: 705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.96 : 1,192.48 = 470.16 : x
  2. Step 2: Convert to fraction form
    794.96/1,192.48 = 470.16/x
  3. Step 3: Cross multiply
    794.96x = 1,192.48 × 470.16
  4. Step 4: Simplify right side
    794.96x = 560,656.40
  5. Step 5: Solve for x
    x = 560,656.40/794.96
  6. Step 6: Final answer
    x = 705.26

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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.