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Finding the Fourth Proportional to 594,532.89, 820,455.99 and 339,889.53

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Solution

The fourth proportional to 594,532.89, 820,455.99 and 339,889.53 is: 469,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,532.89 : 820,455.99 = 339,889.53 : x
  2. Step 2: Convert to fraction form
    594,532.89/820,455.99 = 339,889.53/x
  3. Step 3: Cross multiply
    594,532.89x = 820,455.99 × 339,889.53
  4. Step 4: Simplify right side
    594,532.89x = 278,864,400,826.79
  5. Step 5: Solve for x
    x = 278,864,400,826.79/594,532.89
  6. Step 6: Final answer
    x = 469,047.90

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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.