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Finding the Fourth Proportional to 730.44, 1,095.12 and 365.04

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Solution

The fourth proportional to 730.44, 1,095.12 and 365.04 is: 547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.44 : 1,095.12 = 365.04 : x
  2. Step 2: Convert to fraction form
    730.44/1,095.12 = 365.04/x
  3. Step 3: Cross multiply
    730.44x = 1,095.12 × 365.04
  4. Step 4: Simplify right side
    730.44x = 399,762.60
  5. Step 5: Solve for x
    x = 399,762.60/730.44
  6. Step 6: Final answer
    x = 547.29

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1.5x scale

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.