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Finding the Fourth Proportional to 569,479.95, 786,080.22 and 327,858.81

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Solution

The fourth proportional to 569,479.95, 786,080.22 and 327,858.81 is: 452,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,479.95 : 786,080.22 = 327,858.81 : x
  2. Step 2: Convert to fraction form
    569,479.95/786,080.22 = 327,858.81/x
  3. Step 3: Cross multiply
    569,479.95x = 786,080.22 × 327,858.81
  4. Step 4: Simplify right side
    569,479.95x = 257,723,325,493.74
  5. Step 5: Solve for x
    x = 257,723,325,493.74/569,479.95
  6. Step 6: Final answer
    x = 452,559.09

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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.