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Finding the Fourth Proportional to 373,669.20, 560,503.80 and 254,094.98

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Solution

The fourth proportional to 373,669.20, 560,503.80 and 254,094.98 is: 381,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,669.20 : 560,503.80 = 254,094.98 : x
  2. Step 2: Convert to fraction form
    373,669.20/560,503.80 = 254,094.98/x
  3. Step 3: Cross multiply
    373,669.20x = 560,503.80 × 254,094.98
  4. Step 4: Simplify right side
    373,669.20x = 142,421,199,048.41
  5. Step 5: Solve for x
    x = 142,421,199,048.41/373,669.20
  6. Step 6: Final answer
    x = 381,142.46

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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.