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Finding the Fourth Proportional to 440,020.80, 659,901.60 and 173,692.80

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Solution

The fourth proportional to 440,020.80, 659,901.60 and 173,692.80 is: 260,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,020.80 : 659,901.60 = 173,692.80 : x
  2. Step 2: Convert to fraction form
    440,020.80/659,901.60 = 173,692.80/x
  3. Step 3: Cross multiply
    440,020.80x = 659,901.60 × 173,692.80
  4. Step 4: Simplify right side
    440,020.80x = 114,620,156,628.48
  5. Step 5: Solve for x
    x = 114,620,156,628.48/440,020.80
  6. Step 6: Final answer
    x = 260,488.04

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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.