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Finding the Fourth Proportional to 397,260.60, 595,890.90 and 366,934.20

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Solution

The fourth proportional to 397,260.60, 595,890.90 and 366,934.20 is: 550,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,260.60 : 595,890.90 = 366,934.20 : x
  2. Step 2: Convert to fraction form
    397,260.60/595,890.90 = 366,934.20/x
  3. Step 3: Cross multiply
    397,260.60x = 595,890.90 × 366,934.20
  4. Step 4: Simplify right side
    397,260.60x = 218,652,750,678.78
  5. Step 5: Solve for x
    x = 218,652,750,678.78/397,260.60
  6. Step 6: Final answer
    x = 550,401.30

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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.