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Finding the Fourth Proportional to 469,842.08, 648,382.52 and 254,982.20

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Solution

The fourth proportional to 469,842.08, 648,382.52 and 254,982.20 is: 351,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,842.08 : 648,382.52 = 254,982.20 : x
  2. Step 2: Convert to fraction form
    469,842.08/648,382.52 = 254,982.20/x
  3. Step 3: Cross multiply
    469,842.08x = 648,382.52 × 254,982.20
  4. Step 4: Simplify right side
    469,842.08x = 165,326,001,391.14
  5. Step 5: Solve for x
    x = 165,326,001,391.14/469,842.08
  6. Step 6: Final answer
    x = 351,875.68

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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.