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Finding the Fourth Proportional to 944.03, 1,416.33 and 533.45

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Solution

The fourth proportional to 944.03, 1,416.33 and 533.45 is: 800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.03 : 1,416.33 = 533.45 : x
  2. Step 2: Convert to fraction form
    944.03/1,416.33 = 533.45/x
  3. Step 3: Cross multiply
    944.03x = 1,416.33 × 533.45
  4. Step 4: Simplify right side
    944.03x = 755,541.24
  5. Step 5: Solve for x
    x = 755,541.24/944.03
  6. Step 6: Final answer
    x = 800.34

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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.