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Finding the Fourth Proportional to 504,814.45, 696,719.33 and 323,730.85

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Solution

The fourth proportional to 504,814.45, 696,719.33 and 323,730.85 is: 446,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,814.45 : 696,719.33 = 323,730.85 : x
  2. Step 2: Convert to fraction form
    504,814.45/696,719.33 = 323,730.85/x
  3. Step 3: Cross multiply
    504,814.45x = 696,719.33 × 323,730.85
  4. Step 4: Simplify right side
    504,814.45x = 225,549,538,238.06
  5. Step 5: Solve for x
    x = 225,549,538,238.06/504,814.45
  6. Step 6: Final answer
    x = 446,796.92

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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.