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Finding the Fourth Proportional to 354,022.56, 529,809.12 and 339,325.92

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Solution

The fourth proportional to 354,022.56, 529,809.12 and 339,325.92 is: 507,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,022.56 : 529,809.12 = 339,325.92 : x
  2. Step 2: Convert to fraction form
    354,022.56/529,809.12 = 339,325.92/x
  3. Step 3: Cross multiply
    354,022.56x = 529,809.12 × 339,325.92
  4. Step 4: Simplify right side
    354,022.56x = 179,777,967,068.39
  5. Step 5: Solve for x
    x = 179,777,967,068.39/354,022.56
  6. Step 6: Final answer
    x = 507,815.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.