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Finding the Fourth Proportional to 355,230.28, 490,224.83 and 194,095.32

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Solution

The fourth proportional to 355,230.28, 490,224.83 and 194,095.32 is: 267,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,230.28 : 490,224.83 = 194,095.32 : x
  2. Step 2: Convert to fraction form
    355,230.28/490,224.83 = 194,095.32/x
  3. Step 3: Cross multiply
    355,230.28x = 490,224.83 × 194,095.32
  4. Step 4: Simplify right side
    355,230.28x = 95,150,346,837.17
  5. Step 5: Solve for x
    x = 95,150,346,837.17/355,230.28
  6. Step 6: Final answer
    x = 267,855.40

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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.