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Finding the Fourth Proportional to 293,475.88, 439,460.54 and 203,390.20

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Solution

The fourth proportional to 293,475.88, 439,460.54 and 203,390.20 is: 304,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,475.88 : 439,460.54 = 203,390.20 : x
  2. Step 2: Convert to fraction form
    293,475.88/439,460.54 = 203,390.20/x
  3. Step 3: Cross multiply
    293,475.88x = 439,460.54 × 203,390.20
  4. Step 4: Simplify right side
    293,475.88x = 89,381,965,769.82
  5. Step 5: Solve for x
    x = 89,381,965,769.82/293,475.88
  6. Step 6: Final answer
    x = 304,563.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.