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Finding the Fourth Proportional to 526,316.24, 726,298.44 and 300,034.64

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Solution

The fourth proportional to 526,316.24, 726,298.44 and 300,034.64 is: 414,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,316.24 : 726,298.44 = 300,034.64 : x
  2. Step 2: Convert to fraction form
    526,316.24/726,298.44 = 300,034.64/x
  3. Step 3: Cross multiply
    526,316.24x = 726,298.44 × 300,034.64
  4. Step 4: Simplify right side
    526,316.24x = 217,914,690,977.96
  5. Step 5: Solve for x
    x = 217,914,690,977.96/526,316.24
  6. Step 6: Final answer
    x = 414,037.56

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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.