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Finding the Fourth Proportional to 479,558.11, 661,790.24 and 264,698.23

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Solution

The fourth proportional to 479,558.11, 661,790.24 and 264,698.23 is: 365,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,558.11 : 661,790.24 = 264,698.23 : x
  2. Step 2: Convert to fraction form
    479,558.11/661,790.24 = 264,698.23/x
  3. Step 3: Cross multiply
    479,558.11x = 661,790.24 × 264,698.23
  4. Step 4: Simplify right side
    479,558.11x = 175,174,705,159.28
  5. Step 5: Solve for x
    x = 175,174,705,159.28/479,558.11
  6. Step 6: Final answer
    x = 365,283.58

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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.