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Finding the Fourth Proportional to 430,211.55, 593,692.44 and 239,220.84

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Solution

The fourth proportional to 430,211.55, 593,692.44 and 239,220.84 is: 330,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,211.55 : 593,692.44 = 239,220.84 : x
  2. Step 2: Convert to fraction form
    430,211.55/593,692.44 = 239,220.84/x
  3. Step 3: Cross multiply
    430,211.55x = 593,692.44 × 239,220.84
  4. Step 4: Simplify right side
    430,211.55x = 142,023,605,527.72
  5. Step 5: Solve for x
    x = 142,023,605,527.72/430,211.55
  6. Step 6: Final answer
    x = 330,125.04

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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.