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Finding the Fourth Proportional to 341,309.69, 471,007.57 and 190,406.69

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Solution

The fourth proportional to 341,309.69, 471,007.57 and 190,406.69 is: 262,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,309.69 : 471,007.57 = 190,406.69 : x
  2. Step 2: Convert to fraction form
    341,309.69/471,007.57 = 190,406.69/x
  3. Step 3: Cross multiply
    341,309.69x = 471,007.57 × 190,406.69
  4. Step 4: Simplify right side
    341,309.69x = 89,682,992,368.64
  5. Step 5: Solve for x
    x = 89,682,992,368.64/341,309.69
  6. Step 6: Final answer
    x = 262,761.34

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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.