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Finding the Fourth Proportional to 1,492.73, 2,240.16 and 627.04

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Solution

The fourth proportional to 1,492.73, 2,240.16 and 627.04 is: 941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.73 : 2,240.16 = 627.04 : x
  2. Step 2: Convert to fraction form
    1,492.73/2,240.16 = 627.04/x
  3. Step 3: Cross multiply
    1,492.73x = 2,240.16 × 627.04
  4. Step 4: Simplify right side
    1,492.73x = 1,404,670.38
  5. Step 5: Solve for x
    x = 1,404,670.38/1,492.73
  6. Step 6: Final answer
    x = 941.01

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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.