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Finding the Fourth Proportional to 1,094.87, 1,642.59 and 364.47

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Solution

The fourth proportional to 1,094.87, 1,642.59 and 364.47 is: 546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.87 : 1,642.59 = 364.47 : x
  2. Step 2: Convert to fraction form
    1,094.87/1,642.59 = 364.47/x
  3. Step 3: Cross multiply
    1,094.87x = 1,642.59 × 364.47
  4. Step 4: Simplify right side
    1,094.87x = 598,674.78
  5. Step 5: Solve for x
    x = 598,674.78/1,094.87
  6. Step 6: Final answer
    x = 546.80

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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.