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Finding the Fourth Proportional to 598,496.40, 897,744.60 and 266,072.40

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Solution

The fourth proportional to 598,496.40, 897,744.60 and 266,072.40 is: 399,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,496.40 : 897,744.60 = 266,072.40 : x
  2. Step 2: Convert to fraction form
    598,496.40/897,744.60 = 266,072.40/x
  3. Step 3: Cross multiply
    598,496.40x = 897,744.60 × 266,072.40
  4. Step 4: Simplify right side
    598,496.40x = 238,865,060,309.04
  5. Step 5: Solve for x
    x = 238,865,060,309.04/598,496.40
  6. Step 6: Final answer
    x = 399,108.60

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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.