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Finding the Fourth Proportional to 349,757.63, 523,550.42 and 189,435.37

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Solution

The fourth proportional to 349,757.63, 523,550.42 and 189,435.37 is: 283,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,757.63 : 523,550.42 = 189,435.37 : x
  2. Step 2: Convert to fraction form
    349,757.63/523,550.42 = 189,435.37/x
  3. Step 3: Cross multiply
    349,757.63x = 523,550.42 × 189,435.37
  4. Step 4: Simplify right side
    349,757.63x = 99,178,966,307.90
  5. Step 5: Solve for x
    x = 99,178,966,307.90/349,757.63
  6. Step 6: Final answer
    x = 283,564.84

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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.