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Finding the Fourth Proportional to 531,660.65, 733,706.26 and 324,962.49

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Solution

The fourth proportional to 531,660.65, 733,706.26 and 324,962.49 is: 448,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,660.65 : 733,706.26 = 324,962.49 : x
  2. Step 2: Convert to fraction form
    531,660.65/733,706.26 = 324,962.49/x
  3. Step 3: Cross multiply
    531,660.65x = 733,706.26 × 324,962.49
  4. Step 4: Simplify right side
    531,660.65x = 238,427,012,365.78
  5. Step 5: Solve for x
    x = 238,427,012,365.78/531,660.65
  6. Step 6: Final answer
    x = 448,457.13

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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.