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Finding the Fourth Proportional to 289,250.01, 433,708.91 and 154,147.74

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Solution

The fourth proportional to 289,250.01, 433,708.91 and 154,147.74 is: 231,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,250.01 : 433,708.91 = 154,147.74 : x
  2. Step 2: Convert to fraction form
    289,250.01/433,708.91 = 154,147.74/x
  3. Step 3: Cross multiply
    289,250.01x = 433,708.91 × 154,147.74
  4. Step 4: Simplify right side
    289,250.01x = 66,855,247,523.62
  5. Step 5: Solve for x
    x = 66,855,247,523.62/289,250.01
  6. Step 6: Final answer
    x = 231,133.09

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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.