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Finding the Fourth Proportional to 531,644.56, 733,667.32 and 289,926.52

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Solution

The fourth proportional to 531,644.56, 733,667.32 and 289,926.52 is: 400,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,644.56 : 733,667.32 = 289,926.52 : x
  2. Step 2: Convert to fraction form
    531,644.56/733,667.32 = 289,926.52/x
  3. Step 3: Cross multiply
    531,644.56x = 733,667.32 × 289,926.52
  4. Step 4: Simplify right side
    531,644.56x = 212,709,612,925.33
  5. Step 5: Solve for x
    x = 212,709,612,925.33/531,644.56
  6. Step 6: Final answer
    x = 400,097.41

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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.