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Finding the Fourth Proportional to 584,855.29, 875,286.78 and 490,192.30

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Solution

The fourth proportional to 584,855.29, 875,286.78 and 490,192.30 is: 733,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,855.29 : 875,286.78 = 490,192.30 : x
  2. Step 2: Convert to fraction form
    584,855.29/875,286.78 = 490,192.30/x
  3. Step 3: Cross multiply
    584,855.29x = 875,286.78 × 490,192.30
  4. Step 4: Simplify right side
    584,855.29x = 429,058,839,847.79
  5. Step 5: Solve for x
    x = 429,058,839,847.79/584,855.29
  6. Step 6: Final answer
    x = 733,615.39

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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.