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Finding the Fourth Proportional to 344,740.60, 517,110.90 and 324,004.60

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Solution

The fourth proportional to 344,740.60, 517,110.90 and 324,004.60 is: 486,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,740.60 : 517,110.90 = 324,004.60 : x
  2. Step 2: Convert to fraction form
    344,740.60/517,110.90 = 324,004.60/x
  3. Step 3: Cross multiply
    344,740.60x = 517,110.90 × 324,004.60
  4. Step 4: Simplify right side
    344,740.60x = 167,546,310,310.14
  5. Step 5: Solve for x
    x = 167,546,310,310.14/344,740.60
  6. Step 6: Final answer
    x = 486,006.90

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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.