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Finding the Fourth Proportional to 292,431.60, 437,610.60 and 199,119.60

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Solution

The fourth proportional to 292,431.60, 437,610.60 and 199,119.60 is: 297,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,431.60 : 437,610.60 = 199,119.60 : x
  2. Step 2: Convert to fraction form
    292,431.60/437,610.60 = 199,119.60/x
  3. Step 3: Cross multiply
    292,431.60x = 437,610.60 × 199,119.60
  4. Step 4: Simplify right side
    292,431.60x = 87,136,847,627.76
  5. Step 5: Solve for x
    x = 87,136,847,627.76/292,431.60
  6. Step 6: Final answer
    x = 297,973.43

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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.