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Finding the Fourth Proportional to 316,967.00, 475,408.86 and 156,980.66

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Solution

The fourth proportional to 316,967.00, 475,408.86 and 156,980.66 is: 235,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,967.00 : 475,408.86 = 156,980.66 : x
  2. Step 2: Convert to fraction form
    316,967.00/475,408.86 = 156,980.66/x
  3. Step 3: Cross multiply
    316,967.00x = 475,408.86 × 156,980.66
  4. Step 4: Simplify right side
    316,967.00x = 74,629,994,235.60
  5. Step 5: Solve for x
    x = 74,629,994,235.60/316,967.00
  6. Step 6: Final answer
    x = 235,450.36

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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.