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Finding the Fourth Proportional to 544,601.64, 816,929.13 and 207,579.47

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Solution

The fourth proportional to 544,601.64, 816,929.13 and 207,579.47 is: 311,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,601.64 : 816,929.13 = 207,579.47 : x
  2. Step 2: Convert to fraction form
    544,601.64/816,929.13 = 207,579.47/x
  3. Step 3: Cross multiply
    544,601.64x = 816,929.13 × 207,579.47
  4. Step 4: Simplify right side
    544,601.64x = 169,577,714,033.38
  5. Step 5: Solve for x
    x = 169,577,714,033.38/544,601.64
  6. Step 6: Final answer
    x = 311,379.37

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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.