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Finding the Fourth Proportional to 580,562.10, 801,176.49 and 325,915.11

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Solution

The fourth proportional to 580,562.10, 801,176.49 and 325,915.11 is: 449,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,562.10 : 801,176.49 = 325,915.11 : x
  2. Step 2: Convert to fraction form
    580,562.10/801,176.49 = 325,915.11/x
  3. Step 3: Cross multiply
    580,562.10x = 801,176.49 × 325,915.11
  4. Step 4: Simplify right side
    580,562.10x = 261,115,523,867.76
  5. Step 5: Solve for x
    x = 261,115,523,867.76/580,562.10
  6. Step 6: Final answer
    x = 449,763.30

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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.