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Finding the Fourth Proportional to 1,492.62, 2,240.46 and 997.53

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Solution

The fourth proportional to 1,492.62, 2,240.46 and 997.53 is: 1,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.62 : 2,240.46 = 997.53 : x
  2. Step 2: Convert to fraction form
    1,492.62/2,240.46 = 997.53/x
  3. Step 3: Cross multiply
    1,492.62x = 2,240.46 × 997.53
  4. Step 4: Simplify right side
    1,492.62x = 2,234,926.06
  5. Step 5: Solve for x
    x = 2,234,926.06/1,492.62
  6. Step 6: Final answer
    x = 1,497.32

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1.5x scale

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.