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Finding the Fourth Proportional to 465,553.89, 642,465.03 and 264,349.89

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Solution

The fourth proportional to 465,553.89, 642,465.03 and 264,349.89 is: 364,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,553.89 : 642,465.03 = 264,349.89 : x
  2. Step 2: Convert to fraction form
    465,553.89/642,465.03 = 264,349.89/x
  3. Step 3: Cross multiply
    465,553.89x = 642,465.03 × 264,349.89
  4. Step 4: Simplify right side
    465,553.89x = 169,835,560,009.35
  5. Step 5: Solve for x
    x = 169,835,560,009.35/465,553.89
  6. Step 6: Final answer
    x = 364,803.22

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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.