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Finding the Fourth Proportional to 355,322.08, 490,329.80 and 194,182.48

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Solution

The fourth proportional to 355,322.08, 490,329.80 and 194,182.48 is: 267,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,322.08 : 490,329.80 = 194,182.48 : x
  2. Step 2: Convert to fraction form
    355,322.08/490,329.80 = 194,182.48/x
  3. Step 3: Cross multiply
    355,322.08x = 490,329.80 × 194,182.48
  4. Step 4: Simplify right side
    355,322.08x = 95,213,456,581.90
  5. Step 5: Solve for x
    x = 95,213,456,581.90/355,322.08
  6. Step 6: Final answer
    x = 267,963.81

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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.