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Finding the Fourth Proportional to 300,511.02, 414,689.28 and 164,518.92

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Solution

The fourth proportional to 300,511.02, 414,689.28 and 164,518.92 is: 227,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,511.02 : 414,689.28 = 164,518.92 : x
  2. Step 2: Convert to fraction form
    300,511.02/414,689.28 = 164,518.92/x
  3. Step 3: Cross multiply
    300,511.02x = 414,689.28 × 164,518.92
  4. Step 4: Simplify right side
    300,511.02x = 68,224,232,481.18
  5. Step 5: Solve for x
    x = 68,224,232,481.18/300,511.02
  6. Step 6: Final answer
    x = 227,027.39

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1.5x scale

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.