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Finding the Fourth Proportional to 330,845.52, 495,878.16 and 159,960.60

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Solution

The fourth proportional to 330,845.52, 495,878.16 and 159,960.60 is: 239,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,845.52 : 495,878.16 = 159,960.60 : x
  2. Step 2: Convert to fraction form
    330,845.52/495,878.16 = 159,960.60/x
  3. Step 3: Cross multiply
    330,845.52x = 495,878.16 × 159,960.60
  4. Step 4: Simplify right side
    330,845.52x = 79,320,968,000.50
  5. Step 5: Solve for x
    x = 79,320,968,000.50/330,845.52
  6. Step 6: Final answer
    x = 239,752.28

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1.5x scale

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.