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Finding the Fourth Proportional to 730.65, 1,094.90 and 364.93

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Solution

The fourth proportional to 730.65, 1,094.90 and 364.93 is: 546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.65 : 1,094.90 = 364.93 : x
  2. Step 2: Convert to fraction form
    730.65/1,094.90 = 364.93/x
  3. Step 3: Cross multiply
    730.65x = 1,094.90 × 364.93
  4. Step 4: Simplify right side
    730.65x = 399,560.03
  5. Step 5: Solve for x
    x = 399,560.03/730.65
  6. Step 6: Final answer
    x = 546.86

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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.