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Finding the Fourth Proportional to 307,549.80, 461,324.70 and 165,832.20

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Solution

The fourth proportional to 307,549.80, 461,324.70 and 165,832.20 is: 248,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,549.80 : 461,324.70 = 165,832.20 : x
  2. Step 2: Convert to fraction form
    307,549.80/461,324.70 = 165,832.20/x
  3. Step 3: Cross multiply
    307,549.80x = 461,324.70 × 165,832.20
  4. Step 4: Simplify right side
    307,549.80x = 76,502,489,915.34
  5. Step 5: Solve for x
    x = 76,502,489,915.34/307,549.80
  6. Step 6: Final answer
    x = 248,748.30

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1.5x scale

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.