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Finding the Fourth Proportional to 729.65, 1,094.51 and 364.01

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Solution

The fourth proportional to 729.65, 1,094.51 and 364.01 is: 546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.65 : 1,094.51 = 364.01 : x
  2. Step 2: Convert to fraction form
    729.65/1,094.51 = 364.01/x
  3. Step 3: Cross multiply
    729.65x = 1,094.51 × 364.01
  4. Step 4: Simplify right side
    729.65x = 398,412.59
  5. Step 5: Solve for x
    x = 398,412.59/729.65
  6. Step 6: Final answer
    x = 546.03

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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.