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Finding the Fourth Proportional to 886,010.96, 1,329,292.22 and 317,396.96

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Solution

The fourth proportional to 886,010.96, 1,329,292.22 and 317,396.96 is: 476,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,010.96 : 1,329,292.22 = 317,396.96 : x
  2. Step 2: Convert to fraction form
    886,010.96/1,329,292.22 = 317,396.96/x
  3. Step 3: Cross multiply
    886,010.96x = 1,329,292.22 × 317,396.96
  4. Step 4: Simplify right side
    886,010.96x = 421,913,311,315.90
  5. Step 5: Solve for x
    x = 421,913,311,315.90/886,010.96
  6. Step 6: Final answer
    x = 476,194.23

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Double scale
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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.