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Finding the Fourth Proportional to 944.02, 1,416.66 and 358.93

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Solution

The fourth proportional to 944.02, 1,416.66 and 358.93 is: 538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.02 : 1,416.66 = 358.93 : x
  2. Step 2: Convert to fraction form
    944.02/1,416.66 = 358.93/x
  3. Step 3: Cross multiply
    944.02x = 1,416.66 × 358.93
  4. Step 4: Simplify right side
    944.02x = 508,481.77
  5. Step 5: Solve for x
    x = 508,481.77/944.02
  6. Step 6: Final answer
    x = 538.63

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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.