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Finding the Fourth Proportional to 354,567.34, 489,302.25 and 193,422.34

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Solution

The fourth proportional to 354,567.34, 489,302.25 and 193,422.34 is: 266,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,567.34 : 489,302.25 = 193,422.34 : x
  2. Step 2: Convert to fraction form
    354,567.34/489,302.25 = 193,422.34/x
  3. Step 3: Cross multiply
    354,567.34x = 489,302.25 × 193,422.34
  4. Step 4: Simplify right side
    354,567.34x = 94,641,986,048.56
  5. Step 5: Solve for x
    x = 94,641,986,048.56/354,567.34
  6. Step 6: Final answer
    x = 266,922.46

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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.