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Finding the Fourth Proportional to 349,918.17, 525,157.51 and 181,486.77

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Solution

The fourth proportional to 349,918.17, 525,157.51 and 181,486.77 is: 272,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,918.17 : 525,157.51 = 181,486.77 : x
  2. Step 2: Convert to fraction form
    349,918.17/525,157.51 = 181,486.77/x
  3. Step 3: Cross multiply
    349,918.17x = 525,157.51 × 181,486.77
  4. Step 4: Simplify right side
    349,918.17x = 95,309,140,231.14
  5. Step 5: Solve for x
    x = 95,309,140,231.14/349,918.17
  6. Step 6: Final answer
    x = 272,375.51

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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.