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Finding the Fourth Proportional to 608,564.47, 839,615.00 and 350,435.85

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Solution

The fourth proportional to 608,564.47, 839,615.00 and 350,435.85 is: 483,484.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,564.47 : 839,615.00 = 350,435.85 : x
  2. Step 2: Convert to fraction form
    608,564.47/839,615.00 = 350,435.85/x
  3. Step 3: Cross multiply
    608,564.47x = 839,615.00 × 350,435.85
  4. Step 4: Simplify right side
    608,564.47x = 294,231,197,991.05
  5. Step 5: Solve for x
    x = 294,231,197,991.05/608,564.47
  6. Step 6: Final answer
    x = 483,484.03

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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.