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Finding the Fourth Proportional to 567,128.44, 850,444.26 and 300,828.52

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Solution

The fourth proportional to 567,128.44, 850,444.26 and 300,828.52 is: 451,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,128.44 : 850,444.26 = 300,828.52 : x
  2. Step 2: Convert to fraction form
    567,128.44/850,444.26 = 300,828.52/x
  3. Step 3: Cross multiply
    567,128.44x = 850,444.26 × 300,828.52
  4. Step 4: Simplify right side
    567,128.44x = 255,837,888,078.30
  5. Step 5: Solve for x
    x = 255,837,888,078.30/567,128.44
  6. Step 6: Final answer
    x = 451,111.02

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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.