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Finding the Fourth Proportional to 293,801.93, 440,703.04 and 193,938.78

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Solution

The fourth proportional to 293,801.93, 440,703.04 and 193,938.78 is: 290,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,801.93 : 440,703.04 = 193,938.78 : x
  2. Step 2: Convert to fraction form
    293,801.93/440,703.04 = 193,938.78/x
  3. Step 3: Cross multiply
    293,801.93x = 440,703.04 × 193,938.78
  4. Step 4: Simplify right side
    293,801.93x = 85,469,411,996.77
  5. Step 5: Solve for x
    x = 85,469,411,996.77/293,801.93
  6. Step 6: Final answer
    x = 290,908.27

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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.