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Finding the Fourth Proportional to 368,692.26, 508,952.59 and 247,903.56

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Solution

The fourth proportional to 368,692.26, 508,952.59 and 247,903.56 is: 342,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,692.26 : 508,952.59 = 247,903.56 : x
  2. Step 2: Convert to fraction form
    368,692.26/508,952.59 = 247,903.56/x
  3. Step 3: Cross multiply
    368,692.26x = 508,952.59 × 247,903.56
  4. Step 4: Simplify right side
    368,692.26x = 126,171,158,932.22
  5. Step 5: Solve for x
    x = 126,171,158,932.22/368,692.26
  6. Step 6: Final answer
    x = 342,212.66

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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.