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Finding the Fourth Proportional to 373,048.80, 559,573.20 and 254,950.80

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Solution

The fourth proportional to 373,048.80, 559,573.20 and 254,950.80 is: 382,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,048.80 : 559,573.20 = 254,950.80 : x
  2. Step 2: Convert to fraction form
    373,048.80/559,573.20 = 254,950.80/x
  3. Step 3: Cross multiply
    373,048.80x = 559,573.20 × 254,950.80
  4. Step 4: Simplify right side
    373,048.80x = 142,663,634,998.56
  5. Step 5: Solve for x
    x = 142,663,634,998.56/373,048.80
  6. Step 6: Final answer
    x = 382,426.20

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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.