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Finding the Fourth Proportional to 399,244.08, 595,810.64 and 356,645.80

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Solution

The fourth proportional to 399,244.08, 595,810.64 and 356,645.80 is: 532,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,244.08 : 595,810.64 = 356,645.80 : x
  2. Step 2: Convert to fraction form
    399,244.08/595,810.64 = 356,645.80/x
  3. Step 3: Cross multiply
    399,244.08x = 595,810.64 × 356,645.80
  4. Step 4: Simplify right side
    399,244.08x = 212,493,362,351.31
  5. Step 5: Solve for x
    x = 212,493,362,351.31/399,244.08
  6. Step 6: Final answer
    x = 532,239.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.