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Finding the Fourth Proportional to 323,476.74, 484,156.85 and 238,064.67

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Solution

The fourth proportional to 323,476.74, 484,156.85 and 238,064.67 is: 356,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,476.74 : 484,156.85 = 238,064.67 : x
  2. Step 2: Convert to fraction form
    323,476.74/484,156.85 = 238,064.67/x
  3. Step 3: Cross multiply
    323,476.74x = 484,156.85 × 238,064.67
  4. Step 4: Simplify right side
    323,476.74x = 115,260,639,533.17
  5. Step 5: Solve for x
    x = 115,260,639,533.17/323,476.74
  6. Step 6: Final answer
    x = 356,318.17

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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.