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Finding the Fourth Proportional to 281,674.56, 388,710.84 and 168,523.92

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Solution

The fourth proportional to 281,674.56, 388,710.84 and 168,523.92 is: 232,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,674.56 : 388,710.84 = 168,523.92 : x
  2. Step 2: Convert to fraction form
    281,674.56/388,710.84 = 168,523.92/x
  3. Step 3: Cross multiply
    281,674.56x = 388,710.84 × 168,523.92
  4. Step 4: Simplify right side
    281,674.56x = 65,507,074,503.29
  5. Step 5: Solve for x
    x = 65,507,074,503.29/281,674.56
  6. Step 6: Final answer
    x = 232,562.98

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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.