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Finding the Fourth Proportional to 373,721.40, 560,582.10 and 268,745.40

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Solution

The fourth proportional to 373,721.40, 560,582.10 and 268,745.40 is: 403,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,721.40 : 560,582.10 = 268,745.40 : x
  2. Step 2: Convert to fraction form
    373,721.40/560,582.10 = 268,745.40/x
  3. Step 3: Cross multiply
    373,721.40x = 560,582.10 × 268,745.40
  4. Step 4: Simplify right side
    373,721.40x = 150,653,860,697.34
  5. Step 5: Solve for x
    x = 150,653,860,697.34/373,721.40
  6. Step 6: Final answer
    x = 403,118.10

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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.