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Finding the Fourth Proportional to 504,461.82, 695,763.65 and 323,190.61

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Solution

The fourth proportional to 504,461.82, 695,763.65 and 323,190.61 is: 445,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,461.82 : 695,763.65 = 323,190.61 : x
  2. Step 2: Convert to fraction form
    504,461.82/695,763.65 = 323,190.61/x
  3. Step 3: Cross multiply
    504,461.82x = 695,763.65 × 323,190.61
  4. Step 4: Simplify right side
    504,461.82x = 224,864,279,554.17
  5. Step 5: Solve for x
    x = 224,864,279,554.17/504,461.82
  6. Step 6: Final answer
    x = 445,750.84

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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.