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Finding the Fourth Proportional to 388,847.08, 583,351.98 and 164,208.04

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Solution

The fourth proportional to 388,847.08, 583,351.98 and 164,208.04 is: 246,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,847.08 : 583,351.98 = 164,208.04 : x
  2. Step 2: Convert to fraction form
    388,847.08/583,351.98 = 164,208.04/x
  3. Step 3: Cross multiply
    388,847.08x = 583,351.98 × 164,208.04
  4. Step 4: Simplify right side
    388,847.08x = 95,791,085,265.92
  5. Step 5: Solve for x
    x = 95,791,085,265.92/388,847.08
  6. Step 6: Final answer
    x = 246,346.42

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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.