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Finding the Fourth Proportional to 634,692.74, 952,128 and 185,446.49

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Solution

The fourth proportional to 634,692.74, 952,128 and 185,446.49 is: 278,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,692.74 : 952,128 = 185,446.49 : x
  2. Step 2: Convert to fraction form
    634,692.74/952,128 = 185,446.49/x
  3. Step 3: Cross multiply
    634,692.74x = 952,128 × 185,446.49
  4. Step 4: Simplify right side
    634,692.74x = 176,568,790,870.08
  5. Step 5: Solve for x
    x = 176,568,790,870.08/634,692.74
  6. Step 6: Final answer
    x = 278,195.70

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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.