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Finding the Fourth Proportional to 341,712.68, 512,672.90 and 242,065.67

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Solution

The fourth proportional to 341,712.68, 512,672.90 and 242,065.67 is: 363,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,712.68 : 512,672.90 = 242,065.67 : x
  2. Step 2: Convert to fraction form
    341,712.68/512,672.90 = 242,065.67/x
  3. Step 3: Cross multiply
    341,712.68x = 512,672.90 × 242,065.67
  4. Step 4: Simplify right side
    341,712.68x = 124,100,505,255.65
  5. Step 5: Solve for x
    x = 124,100,505,255.65/341,712.68
  6. Step 6: Final answer
    x = 363,172.09

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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.