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Finding the Fourth Proportional to 411,954.90, 616,620.15 and 293,856.90

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Solution

The fourth proportional to 411,954.90, 616,620.15 and 293,856.90 is: 439,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,954.90 : 616,620.15 = 293,856.90 : x
  2. Step 2: Convert to fraction form
    411,954.90/616,620.15 = 293,856.90/x
  3. Step 3: Cross multiply
    411,954.90x = 616,620.15 × 293,856.90
  4. Step 4: Simplify right side
    411,954.90x = 181,198,085,756.54
  5. Step 5: Solve for x
    x = 181,198,085,756.54/411,954.90
  6. Step 6: Final answer
    x = 439,849.33

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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.