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Finding the Fourth Proportional to 379,422.64, 523,656.66 and 241,557.54

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Solution

The fourth proportional to 379,422.64, 523,656.66 and 241,557.54 is: 333,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,422.64 : 523,656.66 = 241,557.54 : x
  2. Step 2: Convert to fraction form
    379,422.64/523,656.66 = 241,557.54/x
  3. Step 3: Cross multiply
    379,422.64x = 523,656.66 × 241,557.54
  4. Step 4: Simplify right side
    379,422.64x = 126,493,210,768.15
  5. Step 5: Solve for x
    x = 126,493,210,768.15/379,422.64
  6. Step 6: Final answer
    x = 333,383.40

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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.