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Finding the Fourth Proportional to 323,516.02, 446,453.86 and 187,630.50

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Solution

The fourth proportional to 323,516.02, 446,453.86 and 187,630.50 is: 258,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,516.02 : 446,453.86 = 187,630.50 : x
  2. Step 2: Convert to fraction form
    323,516.02/446,453.86 = 187,630.50/x
  3. Step 3: Cross multiply
    323,516.02x = 446,453.86 × 187,630.50
  4. Step 4: Simplify right side
    323,516.02x = 83,768,360,978.73
  5. Step 5: Solve for x
    x = 83,768,360,978.73/323,516.02
  6. Step 6: Final answer
    x = 258,931.11

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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.