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Finding the Fourth Proportional to 702,756.36, 969,804.18 and 380,466.54

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Solution

The fourth proportional to 702,756.36, 969,804.18 and 380,466.54 is: 525,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,756.36 : 969,804.18 = 380,466.54 : x
  2. Step 2: Convert to fraction form
    702,756.36/969,804.18 = 380,466.54/x
  3. Step 3: Cross multiply
    702,756.36x = 969,804.18 × 380,466.54
  4. Step 4: Simplify right side
    702,756.36x = 368,978,040,842.14
  5. Step 5: Solve for x
    x = 368,978,040,842.14/702,756.36
  6. Step 6: Final answer
    x = 525,044.04

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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.