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Finding the Fourth Proportional to 702,099.54, 968,894.43 and 379,808.84

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Solution

The fourth proportional to 702,099.54, 968,894.43 and 379,808.84 is: 524,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,099.54 : 968,894.43 = 379,808.84 : x
  2. Step 2: Convert to fraction form
    702,099.54/968,894.43 = 379,808.84/x
  3. Step 3: Cross multiply
    702,099.54x = 968,894.43 × 379,808.84
  4. Step 4: Simplify right side
    702,099.54x = 367,994,664,696.29
  5. Step 5: Solve for x
    x = 367,994,664,696.29/702,099.54
  6. Step 6: Final answer
    x = 524,134.60

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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.