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Finding the Fourth Proportional to 935.01, 1,402.92 and 448.07

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Solution

The fourth proportional to 935.01, 1,402.92 and 448.07 is: 672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.01 : 1,402.92 = 448.07 : x
  2. Step 2: Convert to fraction form
    935.01/1,402.92 = 448.07/x
  3. Step 3: Cross multiply
    935.01x = 1,402.92 × 448.07
  4. Step 4: Simplify right side
    935.01x = 628,599.35
  5. Step 5: Solve for x
    x = 628,599.35/935.01
  6. Step 6: Final answer
    x = 672.29

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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.