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Finding the Fourth Proportional to 373,271.20, 559,906.80 and 204,726.40

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Solution

The fourth proportional to 373,271.20, 559,906.80 and 204,726.40 is: 307,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,271.20 : 559,906.80 = 204,726.40 : x
  2. Step 2: Convert to fraction form
    373,271.20/559,906.80 = 204,726.40/x
  3. Step 3: Cross multiply
    373,271.20x = 559,906.80 × 204,726.40
  4. Step 4: Simplify right side
    373,271.20x = 114,627,703,499.52
  5. Step 5: Solve for x
    x = 114,627,703,499.52/373,271.20
  6. Step 6: Final answer
    x = 307,089.60

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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.