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Finding the Fourth Proportional to 496,398.74, 738,983.73 and 493,446.30

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Solution

The fourth proportional to 496,398.74, 738,983.73 and 493,446.30 is: 734,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,398.74 : 738,983.73 = 493,446.30 : x
  2. Step 2: Convert to fraction form
    496,398.74/738,983.73 = 493,446.30/x
  3. Step 3: Cross multiply
    496,398.74x = 738,983.73 × 493,446.30
  4. Step 4: Simplify right side
    496,398.74x = 364,648,784,861.47
  5. Step 5: Solve for x
    x = 364,648,784,861.47/496,398.74
  6. Step 6: Final answer
    x = 734,588.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.