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Finding the Fourth Proportional to 355,098.05, 490,032.81 and 193,953.14

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Solution

The fourth proportional to 355,098.05, 490,032.81 and 193,953.14 is: 267,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,098.05 : 490,032.81 = 193,953.14 : x
  2. Step 2: Convert to fraction form
    355,098.05/490,032.81 = 193,953.14/x
  3. Step 3: Cross multiply
    355,098.05x = 490,032.81 × 193,953.14
  4. Step 4: Simplify right side
    355,098.05x = 95,043,402,202.52
  5. Step 5: Solve for x
    x = 95,043,402,202.52/355,098.05
  6. Step 6: Final answer
    x = 267,653.97

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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.