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Finding the Fourth Proportional to 363,066.96, 500,960.64 and 219,840.32

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Solution

The fourth proportional to 363,066.96, 500,960.64 and 219,840.32 is: 303,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,066.96 : 500,960.64 = 219,840.32 : x
  2. Step 2: Convert to fraction form
    363,066.96/500,960.64 = 219,840.32/x
  3. Step 3: Cross multiply
    363,066.96x = 500,960.64 × 219,840.32
  4. Step 4: Simplify right side
    363,066.96x = 110,131,347,405.01
  5. Step 5: Solve for x
    x = 110,131,347,405.01/363,066.96
  6. Step 6: Final answer
    x = 303,336.19

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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.