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Finding the Fourth Proportional to 216,354.63, 324,507.28 and 58,595.39

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Solution

The fourth proportional to 216,354.63, 324,507.28 and 58,595.39 is: 87,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,354.63 : 324,507.28 = 58,595.39 : x
  2. Step 2: Convert to fraction form
    216,354.63/324,507.28 = 58,595.39/x
  3. Step 3: Cross multiply
    216,354.63x = 324,507.28 × 58,595.39
  4. Step 4: Simplify right side
    216,354.63x = 19,014,630,629.44
  5. Step 5: Solve for x
    x = 19,014,630,629.44/216,354.63
  6. Step 6: Final answer
    x = 87,886.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.