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Finding the Fourth Proportional to 330,860.30, 495,962.40 and 162,242.60

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Solution

The fourth proportional to 330,860.30, 495,962.40 and 162,242.60 is: 243,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,860.30 : 495,962.40 = 162,242.60 : x
  2. Step 2: Convert to fraction form
    330,860.30/495,962.40 = 162,242.60/x
  3. Step 3: Cross multiply
    330,860.30x = 495,962.40 × 162,242.60
  4. Step 4: Simplify right side
    330,860.30x = 80,466,229,278.24
  5. Step 5: Solve for x
    x = 80,466,229,278.24/330,860.30
  6. Step 6: Final answer
    x = 243,203.04

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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.