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Finding the Fourth Proportional to 387,674.93, 581,274.24 and 150,741.42

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Solution

The fourth proportional to 387,674.93, 581,274.24 and 150,741.42 is: 226,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,674.93 : 581,274.24 = 150,741.42 : x
  2. Step 2: Convert to fraction form
    387,674.93/581,274.24 = 150,741.42/x
  3. Step 3: Cross multiply
    387,674.93x = 581,274.24 × 150,741.42
  4. Step 4: Simplify right side
    387,674.93x = 87,622,104,347.02
  5. Step 5: Solve for x
    x = 87,622,104,347.02/387,674.93
  6. Step 6: Final answer
    x = 226,019.53

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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.