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Finding the Fourth Proportional to 554,525.84, 765,241.80 and 299,873.36

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Solution

The fourth proportional to 554,525.84, 765,241.80 and 299,873.36 is: 413,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,525.84 : 765,241.80 = 299,873.36 : x
  2. Step 2: Convert to fraction form
    554,525.84/765,241.80 = 299,873.36/x
  3. Step 3: Cross multiply
    554,525.84x = 765,241.80 × 299,873.36
  4. Step 4: Simplify right side
    554,525.84x = 229,475,629,778.45
  5. Step 5: Solve for x
    x = 229,475,629,778.45/554,525.84
  6. Step 6: Final answer
    x = 413,823.15

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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.