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Finding the Fourth Proportional to 595,354.76, 821,591.15 and 323,420.45

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Solution

The fourth proportional to 595,354.76, 821,591.15 and 323,420.45 is: 446,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,354.76 : 821,591.15 = 323,420.45 : x
  2. Step 2: Convert to fraction form
    595,354.76/821,591.15 = 323,420.45/x
  3. Step 3: Cross multiply
    595,354.76x = 821,591.15 × 323,420.45
  4. Step 4: Simplify right side
    595,354.76x = 265,719,375,543.20
  5. Step 5: Solve for x
    x = 265,719,375,543.20/595,354.76
  6. Step 6: Final answer
    x = 446,321.07

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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.