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Finding the Fourth Proportional to 341,308.69, 471,006.19 and 190,405.69

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Solution

The fourth proportional to 341,308.69, 471,006.19 and 190,405.69 is: 262,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,308.69 : 471,006.19 = 190,405.69 : x
  2. Step 2: Convert to fraction form
    341,308.69/471,006.19 = 190,405.69/x
  3. Step 3: Cross multiply
    341,308.69x = 471,006.19 × 190,405.69
  4. Step 4: Simplify right side
    341,308.69x = 89,682,257,661.71
  5. Step 5: Solve for x
    x = 89,682,257,661.71/341,308.69
  6. Step 6: Final answer
    x = 262,759.96

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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.