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Finding the Fourth Proportional to 1,483.76, 2,225.74 and 496.54

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Solution

The fourth proportional to 1,483.76, 2,225.74 and 496.54 is: 744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.76 : 2,225.74 = 496.54 : x
  2. Step 2: Convert to fraction form
    1,483.76/2,225.74 = 496.54/x
  3. Step 3: Cross multiply
    1,483.76x = 2,225.74 × 496.54
  4. Step 4: Simplify right side
    1,483.76x = 1,105,168.94
  5. Step 5: Solve for x
    x = 1,105,168.94/1,483.76
  6. Step 6: Final answer
    x = 744.84

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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.