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Finding the Fourth Proportional to 653,276.92, 979,533.86 and 253,450.48

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Solution

The fourth proportional to 653,276.92, 979,533.86 and 253,450.48 is: 380,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,276.92 : 979,533.86 = 253,450.48 : x
  2. Step 2: Convert to fraction form
    653,276.92/979,533.86 = 253,450.48/x
  3. Step 3: Cross multiply
    653,276.92x = 979,533.86 × 253,450.48
  4. Step 4: Simplify right side
    653,276.92x = 248,263,326,993.25
  5. Step 5: Solve for x
    x = 248,263,326,993.25/653,276.92
  6. Step 6: Final answer
    x = 380,027.70

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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.