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Finding the Fourth Proportional to 468,455.34, 702,682.91 and 255,402.44

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Solution

The fourth proportional to 468,455.34, 702,682.91 and 255,402.44 is: 383,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,455.34 : 702,682.91 = 255,402.44 : x
  2. Step 2: Convert to fraction form
    468,455.34/702,682.91 = 255,402.44/x
  3. Step 3: Cross multiply
    468,455.34x = 702,682.91 × 255,402.44
  4. Step 4: Simplify right side
    468,455.34x = 179,466,928,642.10
  5. Step 5: Solve for x
    x = 179,466,928,642.10/468,455.34
  6. Step 6: Final answer
    x = 383,103.60

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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.