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Finding the Fourth Proportional to 350,903.30, 525,370.80 and 341,061.80

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Solution

The fourth proportional to 350,903.30, 525,370.80 and 341,061.80 is: 510,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,903.30 : 525,370.80 = 341,061.80 : x
  2. Step 2: Convert to fraction form
    350,903.30/525,370.80 = 341,061.80/x
  3. Step 3: Cross multiply
    350,903.30x = 525,370.80 × 341,061.80
  4. Step 4: Simplify right side
    350,903.30x = 179,183,910,715.44
  5. Step 5: Solve for x
    x = 179,183,910,715.44/350,903.30
  6. Step 6: Final answer
    x = 510,636.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.