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Finding the Fourth Proportional to 341,092.32, 471,004.56 and 213,986.40

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Solution

The fourth proportional to 341,092.32, 471,004.56 and 213,986.40 is: 295,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,092.32 : 471,004.56 = 213,986.40 : x
  2. Step 2: Convert to fraction form
    341,092.32/471,004.56 = 213,986.40/x
  3. Step 3: Cross multiply
    341,092.32x = 471,004.56 × 213,986.40
  4. Step 4: Simplify right side
    341,092.32x = 100,788,570,177.98
  5. Step 5: Solve for x
    x = 100,788,570,177.98/341,092.32
  6. Step 6: Final answer
    x = 295,487.66

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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.