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Finding the Fourth Proportional to 737,187.60, 1,106,364.60 and 288,123.60

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Solution

The fourth proportional to 737,187.60, 1,106,364.60 and 288,123.60 is: 432,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,187.60 : 1,106,364.60 = 288,123.60 : x
  2. Step 2: Convert to fraction form
    737,187.60/1,106,364.60 = 288,123.60/x
  3. Step 3: Cross multiply
    737,187.60x = 1,106,364.60 × 288,123.60
  4. Step 4: Simplify right side
    737,187.60x = 318,769,751,464.56
  5. Step 5: Solve for x
    x = 318,769,751,464.56/737,187.60
  6. Step 6: Final answer
    x = 432,413.34

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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.