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Finding the Fourth Proportional to 317,109.92, 437,550.08 and 188,024.54

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Solution

The fourth proportional to 317,109.92, 437,550.08 and 188,024.54 is: 259,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,109.92 : 437,550.08 = 188,024.54 : x
  2. Step 2: Convert to fraction form
    317,109.92/437,550.08 = 188,024.54/x
  3. Step 3: Cross multiply
    317,109.92x = 437,550.08 × 188,024.54
  4. Step 4: Simplify right side
    317,109.92x = 82,270,152,518.96
  5. Step 5: Solve for x
    x = 82,270,152,518.96/317,109.92
  6. Step 6: Final answer
    x = 259,437.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.