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Finding the Fourth Proportional to 504,709.02, 696,322.57 and 323,520.86

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Solution

The fourth proportional to 504,709.02, 696,322.57 and 323,520.86 is: 446,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,709.02 : 696,322.57 = 323,520.86 : x
  2. Step 2: Convert to fraction form
    504,709.02/696,322.57 = 323,520.86/x
  3. Step 3: Cross multiply
    504,709.02x = 696,322.57 × 323,520.86
  4. Step 4: Simplify right side
    504,709.02x = 225,274,876,683.81
  5. Step 5: Solve for x
    x = 225,274,876,683.81/504,709.02
  6. Step 6: Final answer
    x = 446,346.05

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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.