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Finding the Fourth Proportional to 674.01, 929.94 and 437.97

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Solution

The fourth proportional to 674.01, 929.94 and 437.97 is: 604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.01 : 929.94 = 437.97 : x
  2. Step 2: Convert to fraction form
    674.01/929.94 = 437.97/x
  3. Step 3: Cross multiply
    674.01x = 929.94 × 437.97
  4. Step 4: Simplify right side
    674.01x = 407,285.82
  5. Step 5: Solve for x
    x = 407,285.82/674.01
  6. Step 6: Final answer
    x = 604.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.