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Finding the Fourth Proportional to 591,750.72, 816,614.88 and 323,478.72

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Solution

The fourth proportional to 591,750.72, 816,614.88 and 323,478.72 is: 446,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,750.72 : 816,614.88 = 323,478.72 : x
  2. Step 2: Convert to fraction form
    591,750.72/816,614.88 = 323,478.72/x
  3. Step 3: Cross multiply
    591,750.72x = 816,614.88 × 323,478.72
  4. Step 4: Simplify right side
    591,750.72x = 264,157,536,115.35
  5. Step 5: Solve for x
    x = 264,157,536,115.35/591,750.72
  6. Step 6: Final answer
    x = 446,400.02

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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.