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Finding the Fourth Proportional to 254,994.80, 381,617.40 and 233,999.60

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Solution

The fourth proportional to 254,994.80, 381,617.40 and 233,999.60 is: 350,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,994.80 : 381,617.40 = 233,999.60 : x
  2. Step 2: Convert to fraction form
    254,994.80/381,617.40 = 233,999.60/x
  3. Step 3: Cross multiply
    254,994.80x = 381,617.40 × 233,999.60
  4. Step 4: Simplify right side
    254,994.80x = 89,298,318,953.04
  5. Step 5: Solve for x
    x = 89,298,318,953.04/254,994.80
  6. Step 6: Final answer
    x = 350,196.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.