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Finding the Fourth Proportional to 651,109.47, 898,481.21 and 364,590.60

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Solution

The fourth proportional to 651,109.47, 898,481.21 and 364,590.60 is: 503,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,109.47 : 898,481.21 = 364,590.60 : x
  2. Step 2: Convert to fraction form
    651,109.47/898,481.21 = 364,590.60/x
  3. Step 3: Cross multiply
    651,109.47x = 898,481.21 × 364,590.60
  4. Step 4: Simplify right side
    651,109.47x = 327,577,801,619.67
  5. Step 5: Solve for x
    x = 327,577,801,619.67/651,109.47
  6. Step 6: Final answer
    x = 503,107.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.