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Finding the Fourth Proportional to 1,034.98, 1,552.62 and 376.90

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Solution

The fourth proportional to 1,034.98, 1,552.62 and 376.90 is: 565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.98 : 1,552.62 = 376.90 : x
  2. Step 2: Convert to fraction form
    1,034.98/1,552.62 = 376.90/x
  3. Step 3: Cross multiply
    1,034.98x = 1,552.62 × 376.90
  4. Step 4: Simplify right side
    1,034.98x = 585,182.48
  5. Step 5: Solve for x
    x = 585,182.48/1,034.98
  6. Step 6: Final answer
    x = 565.40

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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.