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Finding the Fourth Proportional to 270,235.50, 373,012.47 and 169,633.50

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Solution

The fourth proportional to 270,235.50, 373,012.47 and 169,633.50 is: 234,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,235.50 : 373,012.47 = 169,633.50 : x
  2. Step 2: Convert to fraction form
    270,235.50/373,012.47 = 169,633.50/x
  3. Step 3: Cross multiply
    270,235.50x = 373,012.47 × 169,633.50
  4. Step 4: Simplify right side
    270,235.50x = 63,275,410,829.75
  5. Step 5: Solve for x
    x = 63,275,410,829.75/270,235.50
  6. Step 6: Final answer
    x = 234,149.14

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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.