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Finding the Fourth Proportional to 363,431.28, 501,510.08 and 227,459.52

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Solution

The fourth proportional to 363,431.28, 501,510.08 and 227,459.52 is: 313,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,431.28 : 501,510.08 = 227,459.52 : x
  2. Step 2: Convert to fraction form
    363,431.28/501,510.08 = 227,459.52/x
  3. Step 3: Cross multiply
    363,431.28x = 501,510.08 × 227,459.52
  4. Step 4: Simplify right side
    363,431.28x = 114,073,242,071.96
  5. Step 5: Solve for x
    x = 114,073,242,071.96/363,431.28
  6. Step 6: Final answer
    x = 313,878.44

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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.