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Finding the Fourth Proportional to 354,806, 489,632.30 and 241,826.12

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Solution

The fourth proportional to 354,806, 489,632.30 and 241,826.12 is: 333,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,806 : 489,632.30 = 241,826.12 : x
  2. Step 2: Convert to fraction form
    354,806/489,632.30 = 241,826.12/x
  3. Step 3: Cross multiply
    354,806x = 489,632.30 × 241,826.12
  4. Step 4: Simplify right side
    354,806x = 118,405,879,335.68
  5. Step 5: Solve for x
    x = 118,405,879,335.68/354,806
  6. Step 6: Final answer
    x = 333,720.06

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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.