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Finding the Fourth Proportional to 303,295.94, 418,549.81 and 167,331.54

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Solution

The fourth proportional to 303,295.94, 418,549.81 and 167,331.54 is: 230,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,295.94 : 418,549.81 = 167,331.54 : x
  2. Step 2: Convert to fraction form
    303,295.94/418,549.81 = 167,331.54/x
  3. Step 3: Cross multiply
    303,295.94x = 418,549.81 × 167,331.54
  4. Step 4: Simplify right side
    303,295.94x = 70,036,584,274.01
  5. Step 5: Solve for x
    x = 70,036,584,274.01/303,295.94
  6. Step 6: Final answer
    x = 230,918.30

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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.