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Finding the Fourth Proportional to 217,450.40, 325,868.40 and 160,848.80

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Solution

The fourth proportional to 217,450.40, 325,868.40 and 160,848.80 is: 241,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,450.40 : 325,868.40 = 160,848.80 : x
  2. Step 2: Convert to fraction form
    217,450.40/325,868.40 = 160,848.80/x
  3. Step 3: Cross multiply
    217,450.40x = 325,868.40 × 160,848.80
  4. Step 4: Simplify right side
    217,450.40x = 52,415,541,097.92
  5. Step 5: Solve for x
    x = 52,415,541,097.92/217,450.40
  6. Step 6: Final answer
    x = 241,045.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.