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Finding the Fourth Proportional to 551,444.55, 827,166.83 and 219,020.55

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Solution

The fourth proportional to 551,444.55, 827,166.83 and 219,020.55 is: 328,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,444.55 : 827,166.83 = 219,020.55 : x
  2. Step 2: Convert to fraction form
    551,444.55/827,166.83 = 219,020.55/x
  3. Step 3: Cross multiply
    551,444.55x = 827,166.83 × 219,020.55
  4. Step 4: Simplify right side
    551,444.55x = 181,166,532,953.25
  5. Step 5: Solve for x
    x = 181,166,532,953.25/551,444.55
  6. Step 6: Final answer
    x = 328,530.83

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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.