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Finding the Fourth Proportional to 339,940.70, 510,303.90 and 182,476.70

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Solution

The fourth proportional to 339,940.70, 510,303.90 and 182,476.70 is: 273,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,940.70 : 510,303.90 = 182,476.70 : x
  2. Step 2: Convert to fraction form
    339,940.70/510,303.90 = 182,476.70/x
  3. Step 3: Cross multiply
    339,940.70x = 510,303.90 × 182,476.70
  4. Step 4: Simplify right side
    339,940.70x = 93,118,571,669.13
  5. Step 5: Solve for x
    x = 93,118,571,669.13/339,940.70
  6. Step 6: Final answer
    x = 273,925.93

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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.