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Finding the Fourth Proportional to 493,863.90, 741,217.70 and 352,056.08

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Solution

The fourth proportional to 493,863.90, 741,217.70 and 352,056.08 is: 528,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,863.90 : 741,217.70 = 352,056.08 : x
  2. Step 2: Convert to fraction form
    493,863.90/741,217.70 = 352,056.08/x
  3. Step 3: Cross multiply
    493,863.90x = 741,217.70 × 352,056.08
  4. Step 4: Simplify right side
    493,863.90x = 260,950,200,178.90
  5. Step 5: Solve for x
    x = 260,950,200,178.90/493,863.90
  6. Step 6: Final answer
    x = 528,384.85

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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.