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Finding the Fourth Proportional to 583,692.80, 875,539.20 and 412,450.70

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Solution

The fourth proportional to 583,692.80, 875,539.20 and 412,450.70 is: 618,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,692.80 : 875,539.20 = 412,450.70 : x
  2. Step 2: Convert to fraction form
    583,692.80/875,539.20 = 412,450.70/x
  3. Step 3: Cross multiply
    583,692.80x = 875,539.20 × 412,450.70
  4. Step 4: Simplify right side
    583,692.80x = 361,116,755,917.44
  5. Step 5: Solve for x
    x = 361,116,755,917.44/583,692.80
  6. Step 6: Final answer
    x = 618,676.05

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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.