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Finding the Fourth Proportional to 292,049.31, 403,210.50 and 223,935.43

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Solution

The fourth proportional to 292,049.31, 403,210.50 and 223,935.43 is: 309,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,049.31 : 403,210.50 = 223,935.43 : x
  2. Step 2: Convert to fraction form
    292,049.31/403,210.50 = 223,935.43/x
  3. Step 3: Cross multiply
    292,049.31x = 403,210.50 × 223,935.43
  4. Step 4: Simplify right side
    292,049.31x = 90,293,116,698.02
  5. Step 5: Solve for x
    x = 90,293,116,698.02/292,049.31
  6. Step 6: Final answer
    x = 309,170.79

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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.