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Finding the Fourth Proportional to 325,131.38, 448,674.16 and 177,955.51

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Solution

The fourth proportional to 325,131.38, 448,674.16 and 177,955.51 is: 245,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,131.38 : 448,674.16 = 177,955.51 : x
  2. Step 2: Convert to fraction form
    325,131.38/448,674.16 = 177,955.51/x
  3. Step 3: Cross multiply
    325,131.38x = 448,674.16 × 177,955.51
  4. Step 4: Simplify right side
    325,131.38x = 79,844,036,687.46
  5. Step 5: Solve for x
    x = 79,844,036,687.46/325,131.38
  6. Step 6: Final answer
    x = 245,574.69

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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.