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Finding the Fourth Proportional to 357,145.88, 492,845.76 and 196,003.67

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Solution

The fourth proportional to 357,145.88, 492,845.76 and 196,003.67 is: 270,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,145.88 : 492,845.76 = 196,003.67 : x
  2. Step 2: Convert to fraction form
    357,145.88/492,845.76 = 196,003.67/x
  3. Step 3: Cross multiply
    357,145.88x = 492,845.76 × 196,003.67
  4. Step 4: Simplify right side
    357,145.88x = 96,599,575,239.71
  5. Step 5: Solve for x
    x = 96,599,575,239.71/357,145.88
  6. Step 6: Final answer
    x = 270,476.53

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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.