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Finding the Fourth Proportional to 546,362.81, 817,998.73 and 289,610.36

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Solution

The fourth proportional to 546,362.81, 817,998.73 and 289,610.36 is: 433,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,362.81 : 817,998.73 = 289,610.36 : x
  2. Step 2: Convert to fraction form
    546,362.81/817,998.73 = 289,610.36/x
  3. Step 3: Cross multiply
    546,362.81x = 817,998.73 × 289,610.36
  4. Step 4: Simplify right side
    546,362.81x = 236,900,906,674.84
  5. Step 5: Solve for x
    x = 236,900,906,674.84/546,362.81
  6. Step 6: Final answer
    x = 433,596.33

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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.