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Finding the Fourth Proportional to 466,699.90, 643,996.56 and 262,747.12

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Solution

The fourth proportional to 466,699.90, 643,996.56 and 262,747.12 is: 362,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,699.90 : 643,996.56 = 262,747.12 : x
  2. Step 2: Convert to fraction form
    466,699.90/643,996.56 = 262,747.12/x
  3. Step 3: Cross multiply
    466,699.90x = 643,996.56 × 262,747.12
  4. Step 4: Simplify right side
    466,699.90x = 169,208,241,429.91
  5. Step 5: Solve for x
    x = 169,208,241,429.91/466,699.90
  6. Step 6: Final answer
    x = 362,563.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.