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Finding the Fourth Proportional to 654,230.23, 980,943.43 and 254,404.94

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Solution

The fourth proportional to 654,230.23, 980,943.43 and 254,404.94 is: 381,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,230.23 : 980,943.43 = 254,404.94 : x
  2. Step 2: Convert to fraction form
    654,230.23/980,943.43 = 254,404.94/x
  3. Step 3: Cross multiply
    654,230.23x = 980,943.43 × 254,404.94
  4. Step 4: Simplify right side
    654,230.23x = 249,556,852,453.91
  5. Step 5: Solve for x
    x = 249,556,852,453.91/654,230.23
  6. Step 6: Final answer
    x = 381,451.12

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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.