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Finding the Fourth Proportional to 702,099.36, 968,018.58 and 585,978.84

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Solution

The fourth proportional to 702,099.36, 968,018.58 and 585,978.84 is: 807,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,099.36 : 968,018.58 = 585,978.84 : x
  2. Step 2: Convert to fraction form
    702,099.36/968,018.58 = 585,978.84/x
  3. Step 3: Cross multiply
    702,099.36x = 968,018.58 × 585,978.84
  4. Step 4: Simplify right side
    702,099.36x = 567,238,404,606.85
  5. Step 5: Solve for x
    x = 567,238,404,606.85/702,099.36
  6. Step 6: Final answer
    x = 807,917.56

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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.