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Finding the Fourth Proportional to 598,466.80, 897,858.60 and 261,362.80

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Solution

The fourth proportional to 598,466.80, 897,858.60 and 261,362.80 is: 392,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,466.80 : 897,858.60 = 261,362.80 : x
  2. Step 2: Convert to fraction form
    598,466.80/897,858.60 = 261,362.80/x
  3. Step 3: Cross multiply
    598,466.80x = 897,858.60 × 261,362.80
  4. Step 4: Simplify right side
    598,466.80x = 234,666,837,700.08
  5. Step 5: Solve for x
    x = 234,666,837,700.08/598,466.80
  6. Step 6: Final answer
    x = 392,113.38

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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.