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Finding the Fourth Proportional to 500,589.70, 750,552.90 and 276,057.70

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Solution

The fourth proportional to 500,589.70, 750,552.90 and 276,057.70 is: 413,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,589.70 : 750,552.90 = 276,057.70 : x
  2. Step 2: Convert to fraction form
    500,589.70/750,552.90 = 276,057.70/x
  3. Step 3: Cross multiply
    500,589.70x = 750,552.90 × 276,057.70
  4. Step 4: Simplify right side
    500,589.70x = 207,195,907,302.33
  5. Step 5: Solve for x
    x = 207,195,907,302.33/500,589.70
  6. Step 6: Final answer
    x = 413,903.66

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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.