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Finding the Fourth Proportional to 504.96, 697.28 and 339.24

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Solution

The fourth proportional to 504.96, 697.28 and 339.24 is: 468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.96 : 697.28 = 339.24 : x
  2. Step 2: Convert to fraction form
    504.96/697.28 = 339.24/x
  3. Step 3: Cross multiply
    504.96x = 697.28 × 339.24
  4. Step 4: Simplify right side
    504.96x = 236,545.27
  5. Step 5: Solve for x
    x = 236,545.27/504.96
  6. Step 6: Final answer
    x = 468.44

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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.