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Finding the Fourth Proportional to 397,200.70, 595,801.05 and 357,834.70

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Solution

The fourth proportional to 397,200.70, 595,801.05 and 357,834.70 is: 536,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,200.70 : 595,801.05 = 357,834.70 : x
  2. Step 2: Convert to fraction form
    397,200.70/595,801.05 = 357,834.70/x
  3. Step 3: Cross multiply
    397,200.70x = 595,801.05 × 357,834.70
  4. Step 4: Simplify right side
    397,200.70x = 213,198,289,986.44
  5. Step 5: Solve for x
    x = 213,198,289,986.44/397,200.70
  6. Step 6: Final answer
    x = 536,752.05

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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.