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Finding the Fourth Proportional to 337,075.43, 505,614.51 and 84,355.22

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Solution

The fourth proportional to 337,075.43, 505,614.51 and 84,355.22 is: 126,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,075.43 : 505,614.51 = 84,355.22 : x
  2. Step 2: Convert to fraction form
    337,075.43/505,614.51 = 84,355.22/x
  3. Step 3: Cross multiply
    337,075.43x = 505,614.51 × 84,355.22
  4. Step 4: Simplify right side
    337,075.43x = 42,651,220,698.17
  5. Step 5: Solve for x
    x = 42,651,220,698.17/337,075.43
  6. Step 6: Final answer
    x = 126,533.17

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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.