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Finding the Fourth Proportional to 469,937.01, 648,495.68 and 255,072.50

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Solution

The fourth proportional to 469,937.01, 648,495.68 and 255,072.50 is: 351,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,937.01 : 648,495.68 = 255,072.50 : x
  2. Step 2: Convert to fraction form
    469,937.01/648,495.68 = 255,072.50/x
  3. Step 3: Cross multiply
    469,937.01x = 648,495.68 × 255,072.50
  4. Step 4: Simplify right side
    469,937.01x = 165,413,414,336.80
  5. Step 5: Solve for x
    x = 165,413,414,336.80/469,937.01
  6. Step 6: Final answer
    x = 351,990.61

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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.