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Finding the Fourth Proportional to 598,960.40, 898,436.94 and 149,678.96

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Solution

The fourth proportional to 598,960.40, 898,436.94 and 149,678.96 is: 224,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,960.40 : 898,436.94 = 149,678.96 : x
  2. Step 2: Convert to fraction form
    598,960.40/898,436.94 = 149,678.96/x
  3. Step 3: Cross multiply
    598,960.40x = 898,436.94 × 149,678.96
  4. Step 4: Simplify right side
    598,960.40x = 134,477,106,804.78
  5. Step 5: Solve for x
    x = 134,477,106,804.78/598,960.40
  6. Step 6: Final answer
    x = 224,517.53

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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.