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Finding the Fourth Proportional to 343,330.92, 513,595.62 and 276,846.12

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Solution

The fourth proportional to 343,330.92, 513,595.62 and 276,846.12 is: 414,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,330.92 : 513,595.62 = 276,846.12 : x
  2. Step 2: Convert to fraction form
    343,330.92/513,595.62 = 276,846.12/x
  3. Step 3: Cross multiply
    343,330.92x = 513,595.62 × 276,846.12
  4. Step 4: Simplify right side
    343,330.92x = 142,186,954,645.99
  5. Step 5: Solve for x
    x = 142,186,954,645.99/343,330.92
  6. Step 6: Final answer
    x = 414,139.67

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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.