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Finding the Fourth Proportional to 454,735.58, 627,579.45 and 339,814.67

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Solution

The fourth proportional to 454,735.58, 627,579.45 and 339,814.67 is: 468,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,735.58 : 627,579.45 = 339,814.67 : x
  2. Step 2: Convert to fraction form
    454,735.58/627,579.45 = 339,814.67/x
  3. Step 3: Cross multiply
    454,735.58x = 627,579.45 × 339,814.67
  4. Step 4: Simplify right side
    454,735.58x = 213,260,700,562.63
  5. Step 5: Solve for x
    x = 213,260,700,562.63/454,735.58
  6. Step 6: Final answer
    x = 468,977.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.