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Finding the Fourth Proportional to 531,049.61, 733,119.32 and 359,871.91

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Solution

The fourth proportional to 531,049.61, 733,119.32 and 359,871.91 is: 496,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,049.61 : 733,119.32 = 359,871.91 : x
  2. Step 2: Convert to fraction form
    531,049.61/733,119.32 = 359,871.91/x
  3. Step 3: Cross multiply
    531,049.61x = 733,119.32 × 359,871.91
  4. Step 4: Simplify right side
    531,049.61x = 263,829,049,946.30
  5. Step 5: Solve for x
    x = 263,829,049,946.30/531,049.61
  6. Step 6: Final answer
    x = 496,806.79

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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.