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Finding the Fourth Proportional to 568,675.19, 853,278.56 and 248,785.60

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Solution

The fourth proportional to 568,675.19, 853,278.56 and 248,785.60 is: 373,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,675.19 : 853,278.56 = 248,785.60 : x
  2. Step 2: Convert to fraction form
    568,675.19/853,278.56 = 248,785.60/x
  3. Step 3: Cross multiply
    568,675.19x = 853,278.56 × 248,785.60
  4. Step 4: Simplify right side
    568,675.19x = 212,283,418,339.41
  5. Step 5: Solve for x
    x = 212,283,418,339.41/568,675.19
  6. Step 6: Final answer
    x = 373,294.67

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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.