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Finding the Fourth Proportional to 496,972.90, 744,657.45 and 449,733.70

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Solution

The fourth proportional to 496,972.90, 744,657.45 and 449,733.70 is: 673,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,972.90 : 744,657.45 = 449,733.70 : x
  2. Step 2: Convert to fraction form
    496,972.90/744,657.45 = 449,733.70/x
  3. Step 3: Cross multiply
    496,972.90x = 744,657.45 × 449,733.70
  4. Step 4: Simplify right side
    496,972.90x = 334,897,550,221.07
  5. Step 5: Solve for x
    x = 334,897,550,221.07/496,972.90
  6. Step 6: Final answer
    x = 673,874.87

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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.