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Finding the Fourth Proportional to 340,277.99, 469,610.75 and 197,040.56

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Solution

The fourth proportional to 340,277.99, 469,610.75 and 197,040.56 is: 271,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,277.99 : 469,610.75 = 197,040.56 : x
  2. Step 2: Convert to fraction form
    340,277.99/469,610.75 = 197,040.56/x
  3. Step 3: Cross multiply
    340,277.99x = 469,610.75 × 197,040.56
  4. Step 4: Simplify right side
    340,277.99x = 92,532,364,176.82
  5. Step 5: Solve for x
    x = 92,532,364,176.82/340,277.99
  6. Step 6: Final answer
    x = 271,931.68

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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.