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Finding the Fourth Proportional to 496,622.70, 744,934.05 and 446,856.30

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Solution

The fourth proportional to 496,622.70, 744,934.05 and 446,856.30 is: 670,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,622.70 : 744,934.05 = 446,856.30 : x
  2. Step 2: Convert to fraction form
    496,622.70/744,934.05 = 446,856.30/x
  3. Step 3: Cross multiply
    496,622.70x = 744,934.05 × 446,856.30
  4. Step 4: Simplify right side
    496,622.70x = 332,878,473,327.02
  5. Step 5: Solve for x
    x = 332,878,473,327.02/496,622.70
  6. Step 6: Final answer
    x = 670,284.45

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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.