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Finding the Fourth Proportional to 397,264.40, 595,896.60 and 220,117.40

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Solution

The fourth proportional to 397,264.40, 595,896.60 and 220,117.40 is: 330,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,264.40 : 595,896.60 = 220,117.40 : x
  2. Step 2: Convert to fraction form
    397,264.40/595,896.60 = 220,117.40/x
  3. Step 3: Cross multiply
    397,264.40x = 595,896.60 × 220,117.40
  4. Step 4: Simplify right side
    397,264.40x = 131,167,210,260.84
  5. Step 5: Solve for x
    x = 131,167,210,260.84/397,264.40
  6. Step 6: Final answer
    x = 330,176.10

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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.