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Finding the Fourth Proportional to 366,909.60, 550,270.80 and 114,140.64

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Solution

The fourth proportional to 366,909.60, 550,270.80 and 114,140.64 is: 171,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.60 : 550,270.80 = 114,140.64 : x
  2. Step 2: Convert to fraction form
    366,909.60/550,270.80 = 114,140.64/x
  3. Step 3: Cross multiply
    366,909.60x = 550,270.80 × 114,140.64
  4. Step 4: Simplify right side
    366,909.60x = 62,808,261,285.31
  5. Step 5: Solve for x
    x = 62,808,261,285.31/366,909.60
  6. Step 6: Final answer
    x = 171,181.84

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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.