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Finding the Fourth Proportional to 303,899.84, 419,407.03 and 167,960.33

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Solution

The fourth proportional to 303,899.84, 419,407.03 and 167,960.33 is: 231,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,899.84 : 419,407.03 = 167,960.33 : x
  2. Step 2: Convert to fraction form
    303,899.84/419,407.03 = 167,960.33/x
  3. Step 3: Cross multiply
    303,899.84x = 419,407.03 × 167,960.33
  4. Step 4: Simplify right side
    303,899.84x = 70,443,742,848.81
  5. Step 5: Solve for x
    x = 70,443,742,848.81/303,899.84
  6. Step 6: Final answer
    x = 231,799.21

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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.