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Finding the Fourth Proportional to 366,310.16, 505,509.57 and 213,453.22

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Solution

The fourth proportional to 366,310.16, 505,509.57 and 213,453.22 is: 294,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,310.16 : 505,509.57 = 213,453.22 : x
  2. Step 2: Convert to fraction form
    366,310.16/505,509.57 = 213,453.22/x
  3. Step 3: Cross multiply
    366,310.16x = 505,509.57 × 213,453.22
  4. Step 4: Simplify right side
    366,310.16x = 107,902,645,457.32
  5. Step 5: Solve for x
    x = 107,902,645,457.32/366,310.16
  6. Step 6: Final answer
    x = 294,566.35

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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.