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Finding the Fourth Proportional to 341,478.80, 471,288.24 and 190,585.52

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Solution

The fourth proportional to 341,478.80, 471,288.24 and 190,585.52 is: 263,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,478.80 : 471,288.24 = 190,585.52 : x
  2. Step 2: Convert to fraction form
    341,478.80/471,288.24 = 190,585.52/x
  3. Step 3: Cross multiply
    341,478.80x = 471,288.24 × 190,585.52
  4. Step 4: Simplify right side
    341,478.80x = 89,820,714,290.28
  5. Step 5: Solve for x
    x = 89,820,714,290.28/341,478.80
  6. Step 6: Final answer
    x = 263,034.53

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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.