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Finding the Fourth Proportional to 1,492.94, 2,237.52 and 626.24

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Solution

The fourth proportional to 1,492.94, 2,237.52 and 626.24 is: 938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.94 : 2,237.52 = 626.24 : x
  2. Step 2: Convert to fraction form
    1,492.94/2,237.52 = 626.24/x
  3. Step 3: Cross multiply
    1,492.94x = 2,237.52 × 626.24
  4. Step 4: Simplify right side
    1,492.94x = 1,401,224.52
  5. Step 5: Solve for x
    x = 1,401,224.52/1,492.94
  6. Step 6: Final answer
    x = 938.57

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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.