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Finding the Fourth Proportional to 366,936.80, 550,405.20 and 334,277.60

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Solution

The fourth proportional to 366,936.80, 550,405.20 and 334,277.60 is: 501,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,936.80 : 550,405.20 = 334,277.60 : x
  2. Step 2: Convert to fraction form
    366,936.80/550,405.20 = 334,277.60/x
  3. Step 3: Cross multiply
    366,936.80x = 550,405.20 × 334,277.60
  4. Step 4: Simplify right side
    366,936.80x = 183,988,129,283.52
  5. Step 5: Solve for x
    x = 183,988,129,283.52/366,936.80
  6. Step 6: Final answer
    x = 501,416.40

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1.5x scale

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.