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Finding the Fourth Proportional to 567,911.70, 851,683.30 and 188,730.54

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Solution

The fourth proportional to 567,911.70, 851,683.30 and 188,730.54 is: 283,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,911.70 : 851,683.30 = 188,730.54 : x
  2. Step 2: Convert to fraction form
    567,911.70/851,683.30 = 188,730.54/x
  3. Step 3: Cross multiply
    567,911.70x = 851,683.30 × 188,730.54
  4. Step 4: Simplify right side
    567,911.70x = 160,738,648,646.16
  5. Step 5: Solve for x
    x = 160,738,648,646.16/567,911.70
  6. Step 6: Final answer
    x = 283,034.58

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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.