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Finding the Fourth Proportional to 1,094.15, 1,641.33 and 353.59

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Solution

The fourth proportional to 1,094.15, 1,641.33 and 353.59 is: 530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.15 : 1,641.33 = 353.59 : x
  2. Step 2: Convert to fraction form
    1,094.15/1,641.33 = 353.59/x
  3. Step 3: Cross multiply
    1,094.15x = 1,641.33 × 353.59
  4. Step 4: Simplify right side
    1,094.15x = 580,353.77
  5. Step 5: Solve for x
    x = 580,353.77/1,094.15
  6. Step 6: Final answer
    x = 530.41

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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.