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Finding the Fourth Proportional to 554,282.17, 764,909.09 and 299,633.83

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Solution

The fourth proportional to 554,282.17, 764,909.09 and 299,633.83 is: 413,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,282.17 : 764,909.09 = 299,633.83 : x
  2. Step 2: Convert to fraction form
    554,282.17/764,909.09 = 299,633.83/x
  3. Step 3: Cross multiply
    554,282.17x = 764,909.09 × 299,633.83
  4. Step 4: Simplify right side
    554,282.17x = 229,192,637,951.70
  5. Step 5: Solve for x
    x = 229,192,637,951.70/554,282.17
  6. Step 6: Final answer
    x = 413,494.52

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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.