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Finding the Fourth Proportional to 330,041.45, 495,168.80 and 152,664.82

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Solution

The fourth proportional to 330,041.45, 495,168.80 and 152,664.82 is: 229,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,041.45 : 495,168.80 = 152,664.82 : x
  2. Step 2: Convert to fraction form
    330,041.45/495,168.80 = 152,664.82/x
  3. Step 3: Cross multiply
    330,041.45x = 495,168.80 × 152,664.82
  4. Step 4: Simplify right side
    330,041.45x = 75,594,853,720.37
  5. Step 5: Solve for x
    x = 75,594,853,720.37/330,041.45
  6. Step 6: Final answer
    x = 229,046.54

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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.