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Finding the Fourth Proportional to 365,010.20, 547,515.29 and 115,692.20

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Solution

The fourth proportional to 365,010.20, 547,515.29 and 115,692.20 is: 173,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.20 : 547,515.29 = 115,692.20 : x
  2. Step 2: Convert to fraction form
    365,010.20/547,515.29 = 115,692.20/x
  3. Step 3: Cross multiply
    365,010.20x = 547,515.29 × 115,692.20
  4. Step 4: Simplify right side
    365,010.20x = 63,343,245,117.70
  5. Step 5: Solve for x
    x = 63,343,245,117.70/365,010.20
  6. Step 6: Final answer
    x = 173,538.29

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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.