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Finding the Fourth Proportional to 307,409.00, 458,057.51 and 273,871.35

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Solution

The fourth proportional to 307,409.00, 458,057.51 and 273,871.35 is: 408,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,409.00 : 458,057.51 = 273,871.35 : x
  2. Step 2: Convert to fraction form
    307,409.00/458,057.51 = 273,871.35/x
  3. Step 3: Cross multiply
    307,409.00x = 458,057.51 × 273,871.35
  4. Step 4: Simplify right side
    307,409.00x = 125,448,827,271.98
  5. Step 5: Solve for x
    x = 125,448,827,271.98/307,409.00
  6. Step 6: Final answer
    x = 408,084.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.