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Finding the Fourth Proportional to 655.01, 903.94 and 360.30

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Solution

The fourth proportional to 655.01, 903.94 and 360.30 is: 497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.01 : 903.94 = 360.30 : x
  2. Step 2: Convert to fraction form
    655.01/903.94 = 360.30/x
  3. Step 3: Cross multiply
    655.01x = 903.94 × 360.30
  4. Step 4: Simplify right side
    655.01x = 325,689.58
  5. Step 5: Solve for x
    x = 325,689.58/655.01
  6. Step 6: Final answer
    x = 497.23

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