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Finding the Fourth Proportional to 500,035.88, 690,049.52 and 273,681.38

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Solution

The fourth proportional to 500,035.88, 690,049.52 and 273,681.38 is: 377,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,035.88 : 690,049.52 = 273,681.38 : x
  2. Step 2: Convert to fraction form
    500,035.88/690,049.52 = 273,681.38/x
  3. Step 3: Cross multiply
    500,035.88x = 690,049.52 × 273,681.38
  4. Step 4: Simplify right side
    500,035.88x = 188,853,700,083.28
  5. Step 5: Solve for x
    x = 188,853,700,083.28/500,035.88
  6. Step 6: Final answer
    x = 377,680.30

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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.