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Finding the Fourth Proportional to 341,860.86, 471,790.26 and 188,899.20

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Solution

The fourth proportional to 341,860.86, 471,790.26 and 188,899.20 is: 260,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,860.86 : 471,790.26 = 188,899.20 : x
  2. Step 2: Convert to fraction form
    341,860.86/471,790.26 = 188,899.20/x
  3. Step 3: Cross multiply
    341,860.86x = 471,790.26 × 188,899.20
  4. Step 4: Simplify right side
    341,860.86x = 89,120,802,681.79
  5. Step 5: Solve for x
    x = 89,120,802,681.79/341,860.86
  6. Step 6: Final answer
    x = 260,693.20

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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.