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Finding the Fourth Proportional to 488,447.41, 674,057.40 and 297,460.81

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Solution

The fourth proportional to 488,447.41, 674,057.40 and 297,460.81 is: 410,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,447.41 : 674,057.40 = 297,460.81 : x
  2. Step 2: Convert to fraction form
    488,447.41/674,057.40 = 297,460.81/x
  3. Step 3: Cross multiply
    488,447.41x = 674,057.40 × 297,460.81
  4. Step 4: Simplify right side
    488,447.41x = 200,505,660,190.49
  5. Step 5: Solve for x
    x = 200,505,660,190.49/488,447.41
  6. Step 6: Final answer
    x = 410,495.90

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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.