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Finding the Fourth Proportional to 341,616.64, 471,452.80 and 190,713.60

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Solution

The fourth proportional to 341,616.64, 471,452.80 and 190,713.60 is: 263,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,616.64 : 471,452.80 = 190,713.60 : x
  2. Step 2: Convert to fraction form
    341,616.64/471,452.80 = 190,713.60/x
  3. Step 3: Cross multiply
    341,616.64x = 471,452.80 × 190,713.60
  4. Step 4: Simplify right side
    341,616.64x = 89,912,460,718.08
  5. Step 5: Solve for x
    x = 89,912,460,718.08/341,616.64
  6. Step 6: Final answer
    x = 263,196.96

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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.