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Finding the Fourth Proportional to 281,601.39, 388,606.68 and 152,537.40

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Solution

The fourth proportional to 281,601.39, 388,606.68 and 152,537.40 is: 210,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,601.39 : 388,606.68 = 152,537.40 : x
  2. Step 2: Convert to fraction form
    281,601.39/388,606.68 = 152,537.40/x
  3. Step 3: Cross multiply
    281,601.39x = 388,606.68 × 152,537.40
  4. Step 4: Simplify right side
    281,601.39x = 59,277,052,589.83
  5. Step 5: Solve for x
    x = 59,277,052,589.83/281,601.39
  6. Step 6: Final answer
    x = 210,499.86

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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.