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Finding the Fourth Proportional to 524,245.50, 723,459.06 and 297,891

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Solution

The fourth proportional to 524,245.50, 723,459.06 and 297,891 is: 411,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,245.50 : 723,459.06 = 297,891 : x
  2. Step 2: Convert to fraction form
    524,245.50/723,459.06 = 297,891/x
  3. Step 3: Cross multiply
    524,245.50x = 723,459.06 × 297,891
  4. Step 4: Simplify right side
    524,245.50x = 215,511,942,842.46
  5. Step 5: Solve for x
    x = 215,511,942,842.46/524,245.50
  6. Step 6: Final answer
    x = 411,089.73

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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.