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Finding the Fourth Proportional to 348,059.97, 480,293.42 and 193,015.71

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Solution

The fourth proportional to 348,059.97, 480,293.42 and 193,015.71 is: 266,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,059.97 : 480,293.42 = 193,015.71 : x
  2. Step 2: Convert to fraction form
    348,059.97/480,293.42 = 193,015.71/x
  3. Step 3: Cross multiply
    348,059.97x = 480,293.42 × 193,015.71
  4. Step 4: Simplify right side
    348,059.97x = 92,704,174,504.55
  5. Step 5: Solve for x
    x = 92,704,174,504.55/348,059.97
  6. Step 6: Final answer
    x = 266,345.41

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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.