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Finding the Fourth Proportional to 291,452.60, 437,178.90 and 94,460.60

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Solution

The fourth proportional to 291,452.60, 437,178.90 and 94,460.60 is: 141,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,452.60 : 437,178.90 = 94,460.60 : x
  2. Step 2: Convert to fraction form
    291,452.60/437,178.90 = 94,460.60/x
  3. Step 3: Cross multiply
    291,452.60x = 437,178.90 × 94,460.60
  4. Step 4: Simplify right side
    291,452.60x = 41,296,181,201.34
  5. Step 5: Solve for x
    x = 41,296,181,201.34/291,452.60
  6. Step 6: Final answer
    x = 141,690.90

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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.