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Finding the Fourth Proportional to 567,352.20, 851,128.92 and 188,295.60

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Solution

The fourth proportional to 567,352.20, 851,128.92 and 188,295.60 is: 282,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,352.20 : 851,128.92 = 188,295.60 : x
  2. Step 2: Convert to fraction form
    567,352.20/851,128.92 = 188,295.60/x
  3. Step 3: Cross multiply
    567,352.20x = 851,128.92 × 188,295.60
  4. Step 4: Simplify right side
    567,352.20x = 160,263,830,668.75
  5. Step 5: Solve for x
    x = 160,263,830,668.75/567,352.20
  6. Step 6: Final answer
    x = 282,476.79

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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.