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Finding the Fourth Proportional to 373,075.60, 558,738.60 and 254,102.80

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Solution

The fourth proportional to 373,075.60, 558,738.60 and 254,102.80 is: 380,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,075.60 : 558,738.60 = 254,102.80 : x
  2. Step 2: Convert to fraction form
    373,075.60/558,738.60 = 254,102.80/x
  3. Step 3: Cross multiply
    373,075.60x = 558,738.60 × 254,102.80
  4. Step 4: Simplify right side
    373,075.60x = 141,977,042,728.08
  5. Step 5: Solve for x
    x = 141,977,042,728.08/373,075.60
  6. Step 6: Final answer
    x = 380,558.37

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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.