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Finding the Fourth Proportional to 805,059.60, 1,206,552.60 and 617,139.60

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Solution

The fourth proportional to 805,059.60, 1,206,552.60 and 617,139.60 is: 924,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,059.60 : 1,206,552.60 = 617,139.60 : x
  2. Step 2: Convert to fraction form
    805,059.60/1,206,552.60 = 617,139.60/x
  3. Step 3: Cross multiply
    805,059.60x = 1,206,552.60 × 617,139.60
  4. Step 4: Simplify right side
    805,059.60x = 744,611,388,942.96
  5. Step 5: Solve for x
    x = 744,611,388,942.96/805,059.60
  6. Step 6: Final answer
    x = 924,914.61

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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.