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Finding the Fourth Proportional to 497,692.20, 746,538.30 and 248,860.20

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Solution

The fourth proportional to 497,692.20, 746,538.30 and 248,860.20 is: 373,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,692.20 : 746,538.30 = 248,860.20 : x
  2. Step 2: Convert to fraction form
    497,692.20/746,538.30 = 248,860.20/x
  3. Step 3: Cross multiply
    497,692.20x = 746,538.30 × 248,860.20
  4. Step 4: Simplify right side
    497,692.20x = 185,783,670,645.66
  5. Step 5: Solve for x
    x = 185,783,670,645.66/497,692.20
  6. Step 6: Final answer
    x = 373,290.30

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Similar ratio
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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.