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Finding the Fourth Proportional to 535,291.93, 738,768.48 and 308,937.43

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Solution

The fourth proportional to 535,291.93, 738,768.48 and 308,937.43 is: 426,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,291.93 : 738,768.48 = 308,937.43 : x
  2. Step 2: Convert to fraction form
    535,291.93/738,768.48 = 308,937.43/x
  3. Step 3: Cross multiply
    535,291.93x = 738,768.48 × 308,937.43
  4. Step 4: Simplify right side
    535,291.93x = 228,233,235,576.21
  5. Step 5: Solve for x
    x = 228,233,235,576.21/535,291.93
  6. Step 6: Final answer
    x = 426,371.52

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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.