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Finding the Fourth Proportional to 323,241.30, 446,131.80 and 187,362.18

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Solution

The fourth proportional to 323,241.30, 446,131.80 and 187,362.18 is: 258,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,241.30 : 446,131.80 = 187,362.18 : x
  2. Step 2: Convert to fraction form
    323,241.30/446,131.80 = 187,362.18/x
  3. Step 3: Cross multiply
    323,241.30x = 446,131.80 × 187,362.18
  4. Step 4: Simplify right side
    323,241.30x = 83,588,226,615.32
  5. Step 5: Solve for x
    x = 83,588,226,615.32/323,241.30
  6. Step 6: Final answer
    x = 258,593.89

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1.5x scale

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.