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Finding the Fourth Proportional to 354,744.48, 489,544.25 and 193,594.17

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Solution

The fourth proportional to 354,744.48, 489,544.25 and 193,594.17 is: 267,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,744.48 : 489,544.25 = 193,594.17 : x
  2. Step 2: Convert to fraction form
    354,744.48/489,544.25 = 193,594.17/x
  3. Step 3: Cross multiply
    354,744.48x = 489,544.25 × 193,594.17
  4. Step 4: Simplify right side
    354,744.48x = 94,772,911,789.05
  5. Step 5: Solve for x
    x = 94,772,911,789.05/354,744.48
  6. Step 6: Final answer
    x = 267,158.24

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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.