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Finding the Fourth Proportional to 468,710.54, 646,820.34 and 253,850.60

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Solution

The fourth proportional to 468,710.54, 646,820.34 and 253,850.60 is: 350,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,710.54 : 646,820.34 = 253,850.60 : x
  2. Step 2: Convert to fraction form
    468,710.54/646,820.34 = 253,850.60/x
  3. Step 3: Cross multiply
    468,710.54x = 646,820.34 × 253,850.60
  4. Step 4: Simplify right side
    468,710.54x = 164,195,731,401.20
  5. Step 5: Solve for x
    x = 164,195,731,401.20/468,710.54
  6. Step 6: Final answer
    x = 350,313.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.