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Finding the Fourth Proportional to 363,607.20, 501,692.40 and 220,334.40

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Solution

The fourth proportional to 363,607.20, 501,692.40 and 220,334.40 is: 304,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,607.20 : 501,692.40 = 220,334.40 : x
  2. Step 2: Convert to fraction form
    363,607.20/501,692.40 = 220,334.40/x
  3. Step 3: Cross multiply
    363,607.20x = 501,692.40 × 220,334.40
  4. Step 4: Simplify right side
    363,607.20x = 110,540,093,938.56
  5. Step 5: Solve for x
    x = 110,540,093,938.56/363,607.20
  6. Step 6: Final answer
    x = 304,009.64

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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.