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Finding the Fourth Proportional to 546,360.81, 817,995.73 and 289,608.36

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Solution

The fourth proportional to 546,360.81, 817,995.73 and 289,608.36 is: 433,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,360.81 : 817,995.73 = 289,608.36 : x
  2. Step 2: Convert to fraction form
    546,360.81/817,995.73 = 289,608.36/x
  3. Step 3: Cross multiply
    546,360.81x = 817,995.73 × 289,608.36
  4. Step 4: Simplify right side
    546,360.81x = 236,898,401,852.30
  5. Step 5: Solve for x
    x = 236,898,401,852.30/546,360.81
  6. Step 6: Final answer
    x = 433,593.33

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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.