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Finding the Fourth Proportional to 598,602.60, 826,089 and 326,687.98

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Solution

The fourth proportional to 598,602.60, 826,089 and 326,687.98 is: 450,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,602.60 : 826,089 = 326,687.98 : x
  2. Step 2: Convert to fraction form
    598,602.60/826,089 = 326,687.98/x
  3. Step 3: Cross multiply
    598,602.60x = 826,089 × 326,687.98
  4. Step 4: Simplify right side
    598,602.60x = 269,873,346,710.22
  5. Step 5: Solve for x
    x = 269,873,346,710.22/598,602.60
  6. Step 6: Final answer
    x = 450,838.92

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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.