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Finding the Fourth Proportional to 579,564.27, 799,798.16 and 324,915.51

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Solution

The fourth proportional to 579,564.27, 799,798.16 and 324,915.51 is: 448,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,564.27 : 799,798.16 = 324,915.51 : x
  2. Step 2: Convert to fraction form
    579,564.27/799,798.16 = 324,915.51/x
  3. Step 3: Cross multiply
    579,564.27x = 799,798.16 × 324,915.51
  4. Step 4: Simplify right side
    579,564.27x = 259,866,825,428.88
  5. Step 5: Solve for x
    x = 259,866,825,428.88/579,564.27
  6. Step 6: Final answer
    x = 448,383.10

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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.