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Finding the Fourth Proportional to 592,662.40, 889,382.40 and 339,942.40

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Solution

The fourth proportional to 592,662.40, 889,382.40 and 339,942.40 is: 510,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,662.40 : 889,382.40 = 339,942.40 : x
  2. Step 2: Convert to fraction form
    592,662.40/889,382.40 = 339,942.40/x
  3. Step 3: Cross multiply
    592,662.40x = 889,382.40 × 339,942.40
  4. Step 4: Simplify right side
    592,662.40x = 302,338,787,573.76
  5. Step 5: Solve for x
    x = 302,338,787,573.76/592,662.40
  6. Step 6: Final answer
    x = 510,136.61

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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.