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Finding the Fourth Proportional to 481,967.10, 722,950.65 and 282,512.70

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Solution

The fourth proportional to 481,967.10, 722,950.65 and 282,512.70 is: 423,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,967.10 : 722,950.65 = 282,512.70 : x
  2. Step 2: Convert to fraction form
    481,967.10/722,950.65 = 282,512.70/x
  3. Step 3: Cross multiply
    481,967.10x = 722,950.65 × 282,512.70
  4. Step 4: Simplify right side
    481,967.10x = 204,242,740,098.26
  5. Step 5: Solve for x
    x = 204,242,740,098.26/481,967.10
  6. Step 6: Final answer
    x = 423,769.05

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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.