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Finding the Fourth Proportional to 554,435.20, 829,903.20 and 536,939.20

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Solution

The fourth proportional to 554,435.20, 829,903.20 and 536,939.20 is: 803,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,435.20 : 829,903.20 = 536,939.20 : x
  2. Step 2: Convert to fraction form
    554,435.20/829,903.20 = 536,939.20/x
  3. Step 3: Cross multiply
    554,435.20x = 829,903.20 × 536,939.20
  4. Step 4: Simplify right side
    554,435.20x = 445,607,560,285.44
  5. Step 5: Solve for x
    x = 445,607,560,285.44/554,435.20
  6. Step 6: Final answer
    x = 803,714.41

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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.