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Finding the Fourth Proportional to 607,260.20, 910,999.65 and 252,310.10

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Solution

The fourth proportional to 607,260.20, 910,999.65 and 252,310.10 is: 378,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,260.20 : 910,999.65 = 252,310.10 : x
  2. Step 2: Convert to fraction form
    607,260.20/910,999.65 = 252,310.10/x
  3. Step 3: Cross multiply
    607,260.20x = 910,999.65 × 252,310.10
  4. Step 4: Simplify right side
    607,260.20x = 229,854,412,791.47
  5. Step 5: Solve for x
    x = 229,854,412,791.47/607,260.20
  6. Step 6: Final answer
    x = 378,510.58

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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.