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Finding the Fourth Proportional to 292,066.94, 403,234.83 and 223,953.05

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Solution

The fourth proportional to 292,066.94, 403,234.83 and 223,953.05 is: 309,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,066.94 : 403,234.83 = 223,953.05 : x
  2. Step 2: Convert to fraction form
    292,066.94/403,234.83 = 223,953.05/x
  3. Step 3: Cross multiply
    292,066.94x = 403,234.83 × 223,953.05
  4. Step 4: Simplify right side
    292,066.94x = 90,305,668,028.56
  5. Step 5: Solve for x
    x = 90,305,668,028.56/292,066.94
  6. Step 6: Final answer
    x = 309,195.11

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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.