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Finding the Fourth Proportional to 598,637.20, 898,992.60 and 579,974.80

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Solution

The fourth proportional to 598,637.20, 898,992.60 and 579,974.80 is: 870,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,637.20 : 898,992.60 = 579,974.80 : x
  2. Step 2: Convert to fraction form
    598,637.20/898,992.60 = 579,974.80/x
  3. Step 3: Cross multiply
    598,637.20x = 898,992.60 × 579,974.80
  4. Step 4: Simplify right side
    598,637.20x = 521,393,053,386.48
  5. Step 5: Solve for x
    x = 521,393,053,386.48/598,637.20
  6. Step 6: Final answer
    x = 870,966.68

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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.