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Finding the Fourth Proportional to 375,398.00, 518,059.76 and 228,222.62

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Solution

The fourth proportional to 375,398.00, 518,059.76 and 228,222.62 is: 314,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,398.00 : 518,059.76 = 228,222.62 : x
  2. Step 2: Convert to fraction form
    375,398.00/518,059.76 = 228,222.62/x
  3. Step 3: Cross multiply
    375,398.00x = 518,059.76 × 228,222.62
  4. Step 4: Simplify right side
    375,398.00x = 118,232,952,012.36
  5. Step 5: Solve for x
    x = 118,232,952,012.36/375,398.00
  6. Step 6: Final answer
    x = 314,953.61

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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.