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Finding the Fourth Proportional to 1,158.73, 1,738.38 and 337.01

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Solution

The fourth proportional to 1,158.73, 1,738.38 and 337.01 is: 505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.73 : 1,738.38 = 337.01 : x
  2. Step 2: Convert to fraction form
    1,158.73/1,738.38 = 337.01/x
  3. Step 3: Cross multiply
    1,158.73x = 1,738.38 × 337.01
  4. Step 4: Simplify right side
    1,158.73x = 585,851.23
  5. Step 5: Solve for x
    x = 585,851.23/1,158.73
  6. Step 6: Final answer
    x = 505.60

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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.