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Finding the Fourth Proportional to 551,434.55, 827,151.83 and 411,466.55

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Solution

The fourth proportional to 551,434.55, 827,151.83 and 411,466.55 is: 617,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,434.55 : 827,151.83 = 411,466.55 : x
  2. Step 2: Convert to fraction form
    551,434.55/827,151.83 = 411,466.55/x
  3. Step 3: Cross multiply
    551,434.55x = 827,151.83 × 411,466.55
  4. Step 4: Simplify right side
    551,434.55x = 340,345,309,816.29
  5. Step 5: Solve for x
    x = 340,345,309,816.29/551,434.55
  6. Step 6: Final answer
    x = 617,199.83

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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.