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Finding the Fourth Proportional to 531,237.30, 733,086.08 and 289,514.66

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Solution

The fourth proportional to 531,237.30, 733,086.08 and 289,514.66 is: 399,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,237.30 : 733,086.08 = 289,514.66 : x
  2. Step 2: Convert to fraction form
    531,237.30/733,086.08 = 289,514.66/x
  3. Step 3: Cross multiply
    531,237.30x = 733,086.08 × 289,514.66
  4. Step 4: Simplify right side
    531,237.30x = 212,239,167,201.93
  5. Step 5: Solve for x
    x = 212,239,167,201.93/531,237.30
  6. Step 6: Final answer
    x = 399,518.57

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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.