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Finding the Fourth Proportional to 365,989.01, 504,663.76 and 238,428.05

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Solution

The fourth proportional to 365,989.01, 504,663.76 and 238,428.05 is: 328,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,989.01 : 504,663.76 = 238,428.05 : x
  2. Step 2: Convert to fraction form
    365,989.01/504,663.76 = 238,428.05/x
  3. Step 3: Cross multiply
    365,989.01x = 504,663.76 × 238,428.05
  4. Step 4: Simplify right side
    365,989.01x = 120,325,996,202.47
  5. Step 5: Solve for x
    x = 120,325,996,202.47/365,989.01
  6. Step 6: Final answer
    x = 328,769.42

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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.