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Finding the Fourth Proportional to 400,952.34, 601,428.30 and 161,066.22

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Solution

The fourth proportional to 400,952.34, 601,428.30 and 161,066.22 is: 241,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,952.34 : 601,428.30 = 161,066.22 : x
  2. Step 2: Convert to fraction form
    400,952.34/601,428.30 = 161,066.22/x
  3. Step 3: Cross multiply
    400,952.34x = 601,428.30 × 161,066.22
  4. Step 4: Simplify right side
    400,952.34x = 96,869,782,882.03
  5. Step 5: Solve for x
    x = 96,869,782,882.03/400,952.34
  6. Step 6: Final answer
    x = 241,599.25

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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.