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Finding the Fourth Proportional to 500,199.52, 690,277.36 and 273,866.08

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Solution

The fourth proportional to 500,199.52, 690,277.36 and 273,866.08 is: 377,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,199.52 : 690,277.36 = 273,866.08 : x
  2. Step 2: Convert to fraction form
    500,199.52/690,277.36 = 273,866.08/x
  3. Step 3: Cross multiply
    500,199.52x = 690,277.36 × 273,866.08
  4. Step 4: Simplify right side
    500,199.52x = 189,043,554,695.95
  5. Step 5: Solve for x
    x = 189,043,554,695.95/500,199.52
  6. Step 6: Final answer
    x = 377,936.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.