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Finding the Fourth Proportional to 416,466.80, 575,692.68 and 371,589.56

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Solution

The fourth proportional to 416,466.80, 575,692.68 and 371,589.56 is: 513,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,466.80 : 575,692.68 = 371,589.56 : x
  2. Step 2: Convert to fraction form
    416,466.80/575,692.68 = 371,589.56/x
  3. Step 3: Cross multiply
    416,466.80x = 575,692.68 × 371,589.56
  4. Step 4: Simplify right side
    416,466.80x = 213,921,389,656.42
  5. Step 5: Solve for x
    x = 213,921,389,656.42/416,466.80
  6. Step 6: Final answer
    x = 513,657.73

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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.