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Finding the Fourth Proportional to 354,797, 489,619.86 and 241,817.12

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Solution

The fourth proportional to 354,797, 489,619.86 and 241,817.12 is: 333,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,797 : 489,619.86 = 241,817.12 : x
  2. Step 2: Convert to fraction form
    354,797/489,619.86 = 241,817.12/x
  3. Step 3: Cross multiply
    354,797x = 489,619.86 × 241,817.12
  4. Step 4: Simplify right side
    354,797x = 118,398,464,440.00
  5. Step 5: Solve for x
    x = 118,398,464,440.00/354,797
  6. Step 6: Final answer
    x = 333,707.63

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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.