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Finding the Fourth Proportional to 437,907.30, 656,342.55 and 185,187.30

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Solution

The fourth proportional to 437,907.30, 656,342.55 and 185,187.30 is: 277,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,907.30 : 656,342.55 = 185,187.30 : x
  2. Step 2: Convert to fraction form
    437,907.30/656,342.55 = 185,187.30/x
  3. Step 3: Cross multiply
    437,907.30x = 656,342.55 × 185,187.30
  4. Step 4: Simplify right side
    437,907.30x = 121,546,304,709.62
  5. Step 5: Solve for x
    x = 121,546,304,709.62/437,907.30
  6. Step 6: Final answer
    x = 277,561.72

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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.