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Finding the Fourth Proportional to 622,402.56, 933,742.08 and 179,136

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Solution

The fourth proportional to 622,402.56, 933,742.08 and 179,136 is: 268,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,402.56 : 933,742.08 = 179,136 : x
  2. Step 2: Convert to fraction form
    622,402.56/933,742.08 = 179,136/x
  3. Step 3: Cross multiply
    622,402.56x = 933,742.08 × 179,136
  4. Step 4: Simplify right side
    622,402.56x = 167,266,821,242.88
  5. Step 5: Solve for x
    x = 167,266,821,242.88/622,402.56
  6. Step 6: Final answer
    x = 268,743.79

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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.