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Finding the Fourth Proportional to 479,346.59, 661,512.14 and 264,500.49

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Solution

The fourth proportional to 479,346.59, 661,512.14 and 264,500.49 is: 365,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,346.59 : 661,512.14 = 264,500.49 : x
  2. Step 2: Convert to fraction form
    479,346.59/661,512.14 = 264,500.49/x
  3. Step 3: Cross multiply
    479,346.59x = 661,512.14 × 264,500.49
  4. Step 4: Simplify right side
    479,346.59x = 174,970,283,848.45
  5. Step 5: Solve for x
    x = 174,970,283,848.45/479,346.59
  6. Step 6: Final answer
    x = 365,018.32

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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.