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Finding the Fourth Proportional to 607,028.10, 910,906.65 and 252,005.10

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Solution

The fourth proportional to 607,028.10, 910,906.65 and 252,005.10 is: 378,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,028.10 : 910,906.65 = 252,005.10 : x
  2. Step 2: Convert to fraction form
    607,028.10/910,906.65 = 252,005.10/x
  3. Step 3: Cross multiply
    607,028.10x = 910,906.65 × 252,005.10
  4. Step 4: Simplify right side
    607,028.10x = 229,553,121,423.92
  5. Step 5: Solve for x
    x = 229,553,121,423.92/607,028.10
  6. Step 6: Final answer
    x = 378,158.97

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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.