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Finding the Fourth Proportional to 253,786.69, 350,225.58 and 151,816.45

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Solution

The fourth proportional to 253,786.69, 350,225.58 and 151,816.45 is: 209,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,786.69 : 350,225.58 = 151,816.45 : x
  2. Step 2: Convert to fraction form
    253,786.69/350,225.58 = 151,816.45/x
  3. Step 3: Cross multiply
    253,786.69x = 350,225.58 × 151,816.45
  4. Step 4: Simplify right side
    253,786.69x = 53,170,003,948.54
  5. Step 5: Solve for x
    x = 53,170,003,948.54/253,786.69
  6. Step 6: Final answer
    x = 209,506.67

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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.