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Finding the Fourth Proportional to 360,884.24, 540,969.36 and 171,011.12

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Solution

The fourth proportional to 360,884.24, 540,969.36 and 171,011.12 is: 256,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,884.24 : 540,969.36 = 171,011.12 : x
  2. Step 2: Convert to fraction form
    360,884.24/540,969.36 = 171,011.12/x
  3. Step 3: Cross multiply
    360,884.24x = 540,969.36 × 171,011.12
  4. Step 4: Simplify right side
    360,884.24x = 92,511,776,139.28
  5. Step 5: Solve for x
    x = 92,511,776,139.28/360,884.24
  6. Step 6: Final answer
    x = 256,347.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.