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Finding the Fourth Proportional to 551,451.90, 827,177.85 and 235,940.70

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Solution

The fourth proportional to 551,451.90, 827,177.85 and 235,940.70 is: 353,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,451.90 : 827,177.85 = 235,940.70 : x
  2. Step 2: Convert to fraction form
    551,451.90/827,177.85 = 235,940.70/x
  3. Step 3: Cross multiply
    551,451.90x = 827,177.85 × 235,940.70
  4. Step 4: Simplify right side
    551,451.90x = 195,164,920,953.50
  5. Step 5: Solve for x
    x = 195,164,920,953.50/551,451.90
  6. Step 6: Final answer
    x = 353,911.05

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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.