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Finding the Fourth Proportional to 347,458.80, 520,896.60 and 181,246.80

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Solution

The fourth proportional to 347,458.80, 520,896.60 and 181,246.80 is: 271,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,458.80 : 520,896.60 = 181,246.80 : x
  2. Step 2: Convert to fraction form
    347,458.80/520,896.60 = 181,246.80/x
  3. Step 3: Cross multiply
    347,458.80x = 520,896.60 × 181,246.80
  4. Step 4: Simplify right side
    347,458.80x = 94,410,841,880.88
  5. Step 5: Solve for x
    x = 94,410,841,880.88/347,458.80
  6. Step 6: Final answer
    x = 271,718.09

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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.