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Finding the Fourth Proportional to 479,202.60, 661,291.38 and 264,363.24

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Solution

The fourth proportional to 479,202.60, 661,291.38 and 264,363.24 is: 364,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,202.60 : 661,291.38 = 264,363.24 : x
  2. Step 2: Convert to fraction form
    479,202.60/661,291.38 = 264,363.24/x
  3. Step 3: Cross multiply
    479,202.60x = 661,291.38 × 264,363.24
  4. Step 4: Simplify right side
    479,202.60x = 174,821,131,800.87
  5. Step 5: Solve for x
    x = 174,821,131,800.87/479,202.60
  6. Step 6: Final answer
    x = 364,816.74

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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.