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Finding the Fourth Proportional to 531,236.72, 733,094 and 289,526.96

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Solution

The fourth proportional to 531,236.72, 733,094 and 289,526.96 is: 399,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,236.72 : 733,094 = 289,526.96 : x
  2. Step 2: Convert to fraction form
    531,236.72/733,094 = 289,526.96/x
  3. Step 3: Cross multiply
    531,236.72x = 733,094 × 289,526.96
  4. Step 4: Simplify right side
    531,236.72x = 212,250,477,214.24
  5. Step 5: Solve for x
    x = 212,250,477,214.24/531,236.72
  6. Step 6: Final answer
    x = 399,540.30

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Why These Related Problems?

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