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Finding the Fourth Proportional to 531,548.97, 733,715.33 and 316,756.41

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Solution

The fourth proportional to 531,548.97, 733,715.33 and 316,756.41 is: 437,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,548.97 : 733,715.33 = 316,756.41 : x
  2. Step 2: Convert to fraction form
    531,548.97/733,715.33 = 316,756.41/x
  3. Step 3: Cross multiply
    531,548.97x = 733,715.33 × 316,756.41
  4. Step 4: Simplify right side
    531,548.97x = 232,409,032,308.98
  5. Step 5: Solve for x
    x = 232,409,032,308.98/531,548.97
  6. Step 6: Final answer
    x = 437,229.77

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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.