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Finding the Fourth Proportional to 653,402.73, 980,357.64 and 254,323.83

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Solution

The fourth proportional to 653,402.73, 980,357.64 and 254,323.83 is: 381,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,402.73 : 980,357.64 = 254,323.83 : x
  2. Step 2: Convert to fraction form
    653,402.73/980,357.64 = 254,323.83/x
  3. Step 3: Cross multiply
    653,402.73x = 980,357.64 × 254,323.83
  4. Step 4: Simplify right side
    653,402.73x = 249,328,309,774.56
  5. Step 5: Solve for x
    x = 249,328,309,774.56/653,402.73
  6. Step 6: Final answer
    x = 381,584.43

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1.5x scale

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.