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Finding the Fourth Proportional to 355,300.26, 489,975.48 and 232,609.56

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Solution

The fourth proportional to 355,300.26, 489,975.48 and 232,609.56 is: 320,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,300.26 : 489,975.48 = 232,609.56 : x
  2. Step 2: Convert to fraction form
    355,300.26/489,975.48 = 232,609.56/x
  3. Step 3: Cross multiply
    355,300.26x = 489,975.48 × 232,609.56
  4. Step 4: Simplify right side
    355,300.26x = 113,972,980,813.59
  5. Step 5: Solve for x
    x = 113,972,980,813.59/355,300.26
  6. Step 6: Final answer
    x = 320,779.33

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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.