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Finding the Fourth Proportional to 357,685.74, 493,618.44 and 196,546.57

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Solution

The fourth proportional to 357,685.74, 493,618.44 and 196,546.57 is: 271,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,685.74 : 493,618.44 = 196,546.57 : x
  2. Step 2: Convert to fraction form
    357,685.74/493,618.44 = 196,546.57/x
  3. Step 3: Cross multiply
    357,685.74x = 493,618.44 × 196,546.57
  4. Step 4: Simplify right side
    357,685.74x = 97,019,011,270.75
  5. Step 5: Solve for x
    x = 97,019,011,270.75/357,685.74
  6. Step 6: Final answer
    x = 271,240.93

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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.