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Finding the Fourth Proportional to 511,650.88, 767,636.16 and 174,699.52

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Solution

The fourth proportional to 511,650.88, 767,636.16 and 174,699.52 is: 262,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,650.88 : 767,636.16 = 174,699.52 : x
  2. Step 2: Convert to fraction form
    511,650.88/767,636.16 = 174,699.52/x
  3. Step 3: Cross multiply
    511,650.88x = 767,636.16 × 174,699.52
  4. Step 4: Simplify right side
    511,650.88x = 134,105,668,686.64
  5. Step 5: Solve for x
    x = 134,105,668,686.64/511,650.88
  6. Step 6: Final answer
    x = 262,103.86

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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.