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Finding the Fourth Proportional to 453,009.52, 679,596.30 and 186,622

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Solution

The fourth proportional to 453,009.52, 679,596.30 and 186,622 is: 279,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,009.52 : 679,596.30 = 186,622 : x
  2. Step 2: Convert to fraction form
    453,009.52/679,596.30 = 186,622/x
  3. Step 3: Cross multiply
    453,009.52x = 679,596.30 × 186,622
  4. Step 4: Simplify right side
    453,009.52x = 126,827,620,698.60
  5. Step 5: Solve for x
    x = 126,827,620,698.60/453,009.52
  6. Step 6: Final answer
    x = 279,966.79

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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.