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Finding the Fourth Proportional to 598,773.94, 898,407.55 and 439,662.40

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Solution

The fourth proportional to 598,773.94, 898,407.55 and 439,662.40 is: 659,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,773.94 : 898,407.55 = 439,662.40 : x
  2. Step 2: Convert to fraction form
    598,773.94/898,407.55 = 439,662.40/x
  3. Step 3: Cross multiply
    598,773.94x = 898,407.55 × 439,662.40
  4. Step 4: Simplify right side
    598,773.94x = 394,996,017,914.68
  5. Step 5: Solve for x
    x = 394,996,017,914.68/598,773.94
  6. Step 6: Final answer
    x = 659,674.70

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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.