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Finding the Fourth Proportional to 303,840.93, 419,264.70 and 167,866.77

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Solution

The fourth proportional to 303,840.93, 419,264.70 and 167,866.77 is: 231,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,840.93 : 419,264.70 = 167,866.77 : x
  2. Step 2: Convert to fraction form
    303,840.93/419,264.70 = 167,866.77/x
  3. Step 3: Cross multiply
    303,840.93x = 419,264.70 × 167,866.77
  4. Step 4: Simplify right side
    303,840.93x = 70,380,610,964.02
  5. Step 5: Solve for x
    x = 70,380,610,964.02/303,840.93
  6. Step 6: Final answer
    x = 231,636.37

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1.5x scale

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.