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Finding the Fourth Proportional to 374,801.23, 561,952.69 and 206,400.85

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Solution

The fourth proportional to 374,801.23, 561,952.69 and 206,400.85 is: 309,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,801.23 : 561,952.69 = 206,400.85 : x
  2. Step 2: Convert to fraction form
    374,801.23/561,952.69 = 206,400.85/x
  3. Step 3: Cross multiply
    374,801.23x = 561,952.69 × 206,400.85
  4. Step 4: Simplify right side
    374,801.23x = 115,987,512,875.79
  5. Step 5: Solve for x
    x = 115,987,512,875.79/374,801.23
  6. Step 6: Final answer
    x = 309,464.07

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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.