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Finding the Fourth Proportional to 944.46, 1,416.60 and 373.95

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Solution

The fourth proportional to 944.46, 1,416.60 and 373.95 is: 560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.46 : 1,416.60 = 373.95 : x
  2. Step 2: Convert to fraction form
    944.46/1,416.60 = 373.95/x
  3. Step 3: Cross multiply
    944.46x = 1,416.60 × 373.95
  4. Step 4: Simplify right side
    944.46x = 529,737.57
  5. Step 5: Solve for x
    x = 529,737.57/944.46
  6. Step 6: Final answer
    x = 560.89

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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.