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Finding the Fourth Proportional to 576,207.44, 864,403.32 and 243,786.32

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Solution

The fourth proportional to 576,207.44, 864,403.32 and 243,786.32 is: 365,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,207.44 : 864,403.32 = 243,786.32 : x
  2. Step 2: Convert to fraction form
    576,207.44/864,403.32 = 243,786.32/x
  3. Step 3: Cross multiply
    576,207.44x = 864,403.32 × 243,786.32
  4. Step 4: Simplify right side
    576,207.44x = 210,729,704,378.58
  5. Step 5: Solve for x
    x = 210,729,704,378.58/576,207.44
  6. Step 6: Final answer
    x = 365,718.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.