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Finding the Fourth Proportional to 1,492.44, 2,237.93 and 452.24

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Solution

The fourth proportional to 1,492.44, 2,237.93 and 452.24 is: 678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.44 : 2,237.93 = 452.24 : x
  2. Step 2: Convert to fraction form
    1,492.44/2,237.93 = 452.24/x
  3. Step 3: Cross multiply
    1,492.44x = 2,237.93 × 452.24
  4. Step 4: Simplify right side
    1,492.44x = 1,012,081.46
  5. Step 5: Solve for x
    x = 1,012,081.46/1,492.44
  6. Step 6: Final answer
    x = 678.14

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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.