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Finding the Fourth Proportional to 595,608.96, 821,943.72 and 323,679.12

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Solution

The fourth proportional to 595,608.96, 821,943.72 and 323,679.12 is: 446,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,608.96 : 821,943.72 = 323,679.12 : x
  2. Step 2: Convert to fraction form
    595,608.96/821,943.72 = 323,679.12/x
  3. Step 3: Cross multiply
    595,608.96x = 821,943.72 × 323,679.12
  4. Step 4: Simplify right side
    595,608.96x = 266,046,019,979.13
  5. Step 5: Solve for x
    x = 266,046,019,979.13/595,608.96
  6. Step 6: Final answer
    x = 446,679.01

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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.