Home / 350,002.20-525,003.30-331,570.20

Finding the Fourth Proportional to 350,002.20, 525,003.30 and 331,570.20

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Solution

The fourth proportional to 350,002.20, 525,003.30 and 331,570.20 is: 497,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,002.20 : 525,003.30 = 331,570.20 : x
  2. Step 2: Convert to fraction form
    350,002.20/525,003.30 = 331,570.20/x
  3. Step 3: Cross multiply
    350,002.20x = 525,003.30 × 331,570.20
  4. Step 4: Simplify right side
    350,002.20x = 174,075,449,181.66
  5. Step 5: Solve for x
    x = 174,075,449,181.66/350,002.20
  6. Step 6: Final answer
    x = 497,355.30

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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.