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Finding the Fourth Proportional to 462,093.60, 693,140.40 and 162,620.40

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Solution

The fourth proportional to 462,093.60, 693,140.40 and 162,620.40 is: 243,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,093.60 : 693,140.40 = 162,620.40 : x
  2. Step 2: Convert to fraction form
    462,093.60/693,140.40 = 162,620.40/x
  3. Step 3: Cross multiply
    462,093.60x = 693,140.40 × 162,620.40
  4. Step 4: Simplify right side
    462,093.60x = 112,718,769,104.16
  5. Step 5: Solve for x
    x = 112,718,769,104.16/462,093.60
  6. Step 6: Final answer
    x = 243,930.60

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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.