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Finding the Fourth Proportional to 673,338, 1,010,176.16 and 193,566.67

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Solution

The fourth proportional to 673,338, 1,010,176.16 and 193,566.67 is: 290,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,338 : 1,010,176.16 = 193,566.67 : x
  2. Step 2: Convert to fraction form
    673,338/1,010,176.16 = 193,566.67/x
  3. Step 3: Cross multiply
    673,338x = 1,010,176.16 × 193,566.67
  4. Step 4: Simplify right side
    673,338x = 195,536,435,404.59
  5. Step 5: Solve for x
    x = 195,536,435,404.59/673,338
  6. Step 6: Final answer
    x = 290,398.63

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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.