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Finding the Fourth Proportional to 462,899.92, 694,355.64 and 147,355.60

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Solution

The fourth proportional to 462,899.92, 694,355.64 and 147,355.60 is: 221,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,899.92 : 694,355.64 = 147,355.60 : x
  2. Step 2: Convert to fraction form
    462,899.92/694,355.64 = 147,355.60/x
  3. Step 3: Cross multiply
    462,899.92x = 694,355.64 × 147,355.60
  4. Step 4: Simplify right side
    462,899.92x = 102,317,191,945.58
  5. Step 5: Solve for x
    x = 102,317,191,945.58/462,899.92
  6. Step 6: Final answer
    x = 221,035.23

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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.