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Finding the Fourth Proportional to 501,563.86, 752,402.86 and 181,866.31

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Solution

The fourth proportional to 501,563.86, 752,402.86 and 181,866.31 is: 272,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,563.86 : 752,402.86 = 181,866.31 : x
  2. Step 2: Convert to fraction form
    501,563.86/752,402.86 = 181,866.31/x
  3. Step 3: Cross multiply
    501,563.86x = 752,402.86 × 181,866.31
  4. Step 4: Simplify right side
    501,563.86x = 136,836,731,781.65
  5. Step 5: Solve for x
    x = 136,836,731,781.65/501,563.86
  6. Step 6: Final answer
    x = 272,820.16

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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.