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Finding the Fourth Proportional to 467,676.58, 645,246.54 and 286,199.32

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Solution

The fourth proportional to 467,676.58, 645,246.54 and 286,199.32 is: 394,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,676.58 : 645,246.54 = 286,199.32 : x
  2. Step 2: Convert to fraction form
    467,676.58/645,246.54 = 286,199.32/x
  3. Step 3: Cross multiply
    467,676.58x = 645,246.54 × 286,199.32
  4. Step 4: Simplify right side
    467,676.58x = 184,669,120,980.35
  5. Step 5: Solve for x
    x = 184,669,120,980.35/467,676.58
  6. Step 6: Final answer
    x = 394,865.02

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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.