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Finding the Fourth Proportional to 301,555.43, 416,153.73 and 163,740.17

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Solution

The fourth proportional to 301,555.43, 416,153.73 and 163,740.17 is: 225,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,555.43 : 416,153.73 = 163,740.17 : x
  2. Step 2: Convert to fraction form
    301,555.43/416,153.73 = 163,740.17/x
  3. Step 3: Cross multiply
    301,555.43x = 416,153.73 × 163,740.17
  4. Step 4: Simplify right side
    301,555.43x = 68,141,082,496.33
  5. Step 5: Solve for x
    x = 68,141,082,496.33/301,555.43
  6. Step 6: Final answer
    x = 225,965.36

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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.