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Finding the Fourth Proportional to 375,639.54, 563,459.31 and 227,584.50

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Solution

The fourth proportional to 375,639.54, 563,459.31 and 227,584.50 is: 341,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,639.54 : 563,459.31 = 227,584.50 : x
  2. Step 2: Convert to fraction form
    375,639.54/563,459.31 = 227,584.50/x
  3. Step 3: Cross multiply
    375,639.54x = 563,459.31 × 227,584.50
  4. Step 4: Simplify right side
    375,639.54x = 128,234,605,336.70
  5. Step 5: Solve for x
    x = 128,234,605,336.70/375,639.54
  6. Step 6: Final answer
    x = 341,376.75

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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.