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Finding the Fourth Proportional to 348,685.56, 523,028.34 and 243,709.56

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Solution

The fourth proportional to 348,685.56, 523,028.34 and 243,709.56 is: 365,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,685.56 : 523,028.34 = 243,709.56 : x
  2. Step 2: Convert to fraction form
    348,685.56/523,028.34 = 243,709.56/x
  3. Step 3: Cross multiply
    348,685.56x = 523,028.34 × 243,709.56
  4. Step 4: Simplify right side
    348,685.56x = 127,467,006,608.93
  5. Step 5: Solve for x
    x = 127,467,006,608.93/348,685.56
  6. Step 6: Final answer
    x = 365,564.34

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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.