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Finding the Fourth Proportional to 467,996.67, 645,835.55 and 264,090.92

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Solution

The fourth proportional to 467,996.67, 645,835.55 and 264,090.92 is: 364,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,996.67 : 645,835.55 = 264,090.92 : x
  2. Step 2: Convert to fraction form
    467,996.67/645,835.55 = 264,090.92/x
  3. Step 3: Cross multiply
    467,996.67x = 645,835.55 × 264,090.92
  4. Step 4: Simplify right side
    467,996.67x = 170,559,300,018.57
  5. Step 5: Solve for x
    x = 170,559,300,018.57/467,996.67
  6. Step 6: Final answer
    x = 364,445.54

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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.