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Finding the Fourth Proportional to 794,226, 1,191,486.64 and 261,784.48

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Solution

The fourth proportional to 794,226, 1,191,486.64 and 261,784.48 is: 392,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,226 : 1,191,486.64 = 261,784.48 : x
  2. Step 2: Convert to fraction form
    794,226/1,191,486.64 = 261,784.48/x
  3. Step 3: Cross multiply
    794,226x = 1,191,486.64 × 261,784.48
  4. Step 4: Simplify right side
    794,226x = 311,912,710,479.35
  5. Step 5: Solve for x
    x = 311,912,710,479.35/794,226
  6. Step 6: Final answer
    x = 392,725.38

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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.