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Finding the Fourth Proportional to 360,202.72, 497,231.60 and 243,941.80

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Solution

The fourth proportional to 360,202.72, 497,231.60 and 243,941.80 is: 336,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,202.72 : 497,231.60 = 243,941.80 : x
  2. Step 2: Convert to fraction form
    360,202.72/497,231.60 = 243,941.80/x
  3. Step 3: Cross multiply
    360,202.72x = 497,231.60 × 243,941.80
  4. Step 4: Simplify right side
    360,202.72x = 121,295,571,520.88
  5. Step 5: Solve for x
    x = 121,295,571,520.88/360,202.72
  6. Step 6: Final answer
    x = 336,742.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.