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Finding the Fourth Proportional to 341,682.52, 471,743.60 and 305,810.32

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Solution

The fourth proportional to 341,682.52, 471,743.60 and 305,810.32 is: 422,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,682.52 : 471,743.60 = 305,810.32 : x
  2. Step 2: Convert to fraction form
    341,682.52/471,743.60 = 305,810.32/x
  3. Step 3: Cross multiply
    341,682.52x = 471,743.60 × 305,810.32
  4. Step 4: Simplify right side
    341,682.52x = 144,264,061,273.95
  5. Step 5: Solve for x
    x = 144,264,061,273.95/341,682.52
  6. Step 6: Final answer
    x = 422,216.69

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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.