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Finding the Fourth Proportional to 595,395.60, 821,646.90 and 323,464.56

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Solution

The fourth proportional to 595,395.60, 821,646.90 and 323,464.56 is: 446,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,395.60 : 821,646.90 = 323,464.56 : x
  2. Step 2: Convert to fraction form
    595,395.60/821,646.90 = 323,464.56/x
  3. Step 3: Cross multiply
    595,395.60x = 821,646.90 × 323,464.56
  4. Step 4: Simplify right side
    595,395.60x = 265,773,652,983.86
  5. Step 5: Solve for x
    x = 265,773,652,983.86/595,395.60
  6. Step 6: Final answer
    x = 446,381.62

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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.