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Finding the Fourth Proportional to 554,552.29, 765,284.46 and 299,903.48

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Solution

The fourth proportional to 554,552.29, 765,284.46 and 299,903.48 is: 413,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,552.29 : 765,284.46 = 299,903.48 : x
  2. Step 2: Convert to fraction form
    554,552.29/765,284.46 = 299,903.48/x
  3. Step 3: Cross multiply
    554,552.29x = 765,284.46 × 299,903.48
  4. Step 4: Simplify right side
    554,552.29x = 229,511,468,917.50
  5. Step 5: Solve for x
    x = 229,511,468,917.50/554,552.29
  6. Step 6: Final answer
    x = 413,868.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.