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Finding the Fourth Proportional to 342,669.40, 514,004.10 and 222,400.60

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Solution

The fourth proportional to 342,669.40, 514,004.10 and 222,400.60 is: 333,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,669.40 : 514,004.10 = 222,400.60 : x
  2. Step 2: Convert to fraction form
    342,669.40/514,004.10 = 222,400.60/x
  3. Step 3: Cross multiply
    342,669.40x = 514,004.10 × 222,400.60
  4. Step 4: Simplify right side
    342,669.40x = 114,314,820,242.46
  5. Step 5: Solve for x
    x = 114,314,820,242.46/342,669.40
  6. Step 6: Final answer
    x = 333,600.90

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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.