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Finding the Fourth Proportional to 364,383.30, 502,713.40 and 211,335.67

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Solution

The fourth proportional to 364,383.30, 502,713.40 and 211,335.67 is: 291,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,383.30 : 502,713.40 = 211,335.67 : x
  2. Step 2: Convert to fraction form
    364,383.30/502,713.40 = 211,335.67/x
  3. Step 3: Cross multiply
    364,383.30x = 502,713.40 × 211,335.67
  4. Step 4: Simplify right side
    364,383.30x = 106,241,273,206.98
  5. Step 5: Solve for x
    x = 106,241,273,206.98/364,383.30
  6. Step 6: Final answer
    x = 291,564.61

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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.