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Finding the Fourth Proportional to 354,984.41, 489,873.66 and 193,846.25

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Solution

The fourth proportional to 354,984.41, 489,873.66 and 193,846.25 is: 267,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,984.41 : 489,873.66 = 193,846.25 : x
  2. Step 2: Convert to fraction form
    354,984.41/489,873.66 = 193,846.25/x
  3. Step 3: Cross multiply
    354,984.41x = 489,873.66 × 193,846.25
  4. Step 4: Simplify right side
    354,984.41x = 94,960,169,515.41
  5. Step 5: Solve for x
    x = 94,960,169,515.41/354,984.41
  6. Step 6: Final answer
    x = 267,505.19

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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.