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Finding the Fourth Proportional to 495,502.80, 743,448.60 and 179,991.60

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Solution

The fourth proportional to 495,502.80, 743,448.60 and 179,991.60 is: 270,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,502.80 : 743,448.60 = 179,991.60 : x
  2. Step 2: Convert to fraction form
    495,502.80/743,448.60 = 179,991.60/x
  3. Step 3: Cross multiply
    495,502.80x = 743,448.60 × 179,991.60
  4. Step 4: Simplify right side
    495,502.80x = 133,814,503,031.76
  5. Step 5: Solve for x
    x = 133,814,503,031.76/495,502.80
  6. Step 6: Final answer
    x = 270,058.02

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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.