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Finding the Fourth Proportional to 1,160.02, 1,740.02 and 294.32

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Solution

The fourth proportional to 1,160.02, 1,740.02 and 294.32 is: 441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.02 : 1,740.02 = 294.32 : x
  2. Step 2: Convert to fraction form
    1,160.02/1,740.02 = 294.32/x
  3. Step 3: Cross multiply
    1,160.02x = 1,740.02 × 294.32
  4. Step 4: Simplify right side
    1,160.02x = 512,122.69
  5. Step 5: Solve for x
    x = 512,122.69/1,160.02
  6. Step 6: Final answer
    x = 441.48

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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.