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Finding the Fourth Proportional to 479,246.52, 661,358.32 and 264,399.96

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Solution

The fourth proportional to 479,246.52, 661,358.32 and 264,399.96 is: 364,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,246.52 : 661,358.32 = 264,399.96 : x
  2. Step 2: Convert to fraction form
    479,246.52/661,358.32 = 264,399.96/x
  3. Step 3: Cross multiply
    479,246.52x = 661,358.32 × 264,399.96
  4. Step 4: Simplify right side
    479,246.52x = 174,863,113,353.67
  5. Step 5: Solve for x
    x = 174,863,113,353.67/479,246.52
  6. Step 6: Final answer
    x = 364,870.91

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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.