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Finding the Fourth Proportional to 500,294.69, 690,401.87 and 270,846.10

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Solution

The fourth proportional to 500,294.69, 690,401.87 and 270,846.10 is: 373,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,294.69 : 690,401.87 = 270,846.10 : x
  2. Step 2: Convert to fraction form
    500,294.69/690,401.87 = 270,846.10/x
  3. Step 3: Cross multiply
    500,294.69x = 690,401.87 × 270,846.10
  4. Step 4: Simplify right side
    500,294.69x = 186,992,653,922.21
  5. Step 5: Solve for x
    x = 186,992,653,922.21/500,294.69
  6. Step 6: Final answer
    x = 373,765.02

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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.