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Finding the Fourth Proportional to 898,616.16, 1,347,260.04 and 543,544.56

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Solution

The fourth proportional to 898,616.16, 1,347,260.04 and 543,544.56 is: 814,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,616.16 : 1,347,260.04 = 543,544.56 : x
  2. Step 2: Convert to fraction form
    898,616.16/1,347,260.04 = 543,544.56/x
  3. Step 3: Cross multiply
    898,616.16x = 1,347,260.04 × 543,544.56
  4. Step 4: Simplify right side
    898,616.16x = 732,295,865,647.38
  5. Step 5: Solve for x
    x = 732,295,865,647.38/898,616.16
  6. Step 6: Final answer
    x = 814,915.09

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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.