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Finding the Fourth Proportional to 524,191.35, 723,380.40 and 297,836.85

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Solution

The fourth proportional to 524,191.35, 723,380.40 and 297,836.85 is: 411,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,191.35 : 723,380.40 = 297,836.85 : x
  2. Step 2: Convert to fraction form
    524,191.35/723,380.40 = 297,836.85/x
  3. Step 3: Cross multiply
    524,191.35x = 723,380.40 × 297,836.85
  4. Step 4: Simplify right side
    524,191.35x = 215,449,337,493.74
  5. Step 5: Solve for x
    x = 215,449,337,493.74/524,191.35
  6. Step 6: Final answer
    x = 411,012.77

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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.