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Finding the Fourth Proportional to 231,211.40, 346,233.90 and 184,555.40

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Solution

The fourth proportional to 231,211.40, 346,233.90 and 184,555.40 is: 276,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,211.40 : 346,233.90 = 184,555.40 : x
  2. Step 2: Convert to fraction form
    231,211.40/346,233.90 = 184,555.40/x
  3. Step 3: Cross multiply
    231,211.40x = 346,233.90 × 184,555.40
  4. Step 4: Simplify right side
    231,211.40x = 63,899,335,908.06
  5. Step 5: Solve for x
    x = 63,899,335,908.06/231,211.40
  6. Step 6: Final answer
    x = 276,367.58

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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.