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Finding the Fourth Proportional to 355,088.53, 490,032.89 and 193,952.26

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Solution

The fourth proportional to 355,088.53, 490,032.89 and 193,952.26 is: 267,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,088.53 : 490,032.89 = 193,952.26 : x
  2. Step 2: Convert to fraction form
    355,088.53/490,032.89 = 193,952.26/x
  3. Step 3: Cross multiply
    355,088.53x = 490,032.89 × 193,952.26
  4. Step 4: Simplify right side
    355,088.53x = 95,042,986,489.83
  5. Step 5: Solve for x
    x = 95,042,986,489.83/355,088.53
  6. Step 6: Final answer
    x = 267,659.97

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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.