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Finding the Fourth Proportional to 577.02, 795.39 and 429.42

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Solution

The fourth proportional to 577.02, 795.39 and 429.42 is: 591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.02 : 795.39 = 429.42 : x
  2. Step 2: Convert to fraction form
    577.02/795.39 = 429.42/x
  3. Step 3: Cross multiply
    577.02x = 795.39 × 429.42
  4. Step 4: Simplify right side
    577.02x = 341,556.37
  5. Step 5: Solve for x
    x = 341,556.37/577.02
  6. Step 6: Final answer
    x = 591.93

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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.