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Finding the Fourth Proportional to 354,883.08, 489,746.06 and 193,744.92

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Solution

The fourth proportional to 354,883.08, 489,746.06 and 193,744.92 is: 267,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,883.08 : 489,746.06 = 193,744.92 : x
  2. Step 2: Convert to fraction form
    354,883.08/489,746.06 = 193,744.92/x
  3. Step 3: Cross multiply
    354,883.08x = 489,746.06 × 193,744.92
  4. Step 4: Simplify right side
    354,883.08x = 94,885,811,215.02
  5. Step 5: Solve for x
    x = 94,885,811,215.02/354,883.08
  6. Step 6: Final answer
    x = 267,372.03

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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.