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Finding the Fourth Proportional to 469,910.35, 648,477.02 and 255,050.50

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Solution

The fourth proportional to 469,910.35, 648,477.02 and 255,050.50 is: 351,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,910.35 : 648,477.02 = 255,050.50 : x
  2. Step 2: Convert to fraction form
    469,910.35/648,477.02 = 255,050.50/x
  3. Step 3: Cross multiply
    469,910.35x = 648,477.02 × 255,050.50
  4. Step 4: Simplify right side
    469,910.35x = 165,394,388,189.51
  5. Step 5: Solve for x
    x = 165,394,388,189.51/469,910.35
  6. Step 6: Final answer
    x = 351,970.09

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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.