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Finding the Fourth Proportional to 404,906.70, 607,068.45 and 227,468.10

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Solution

The fourth proportional to 404,906.70, 607,068.45 and 227,468.10 is: 341,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,906.70 : 607,068.45 = 227,468.10 : x
  2. Step 2: Convert to fraction form
    404,906.70/607,068.45 = 227,468.10/x
  3. Step 3: Cross multiply
    404,906.70x = 607,068.45 × 227,468.10
  4. Step 4: Simplify right side
    404,906.70x = 138,088,706,891.45
  5. Step 5: Solve for x
    x = 138,088,706,891.45/404,906.70
  6. Step 6: Final answer
    x = 341,038.34

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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.