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Finding the Fourth Proportional to 536,998.60, 741,054.18 and 307,606.60

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Solution

The fourth proportional to 536,998.60, 741,054.18 and 307,606.60 is: 424,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,998.60 : 741,054.18 = 307,606.60 : x
  2. Step 2: Convert to fraction form
    536,998.60/741,054.18 = 307,606.60/x
  3. Step 3: Cross multiply
    536,998.60x = 741,054.18 × 307,606.60
  4. Step 4: Simplify right side
    536,998.60x = 227,953,156,725.59
  5. Step 5: Solve for x
    x = 227,953,156,725.59/536,998.60
  6. Step 6: Final answer
    x = 424,494.88

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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.